[root@localhost ~]# strace -ofile ping -6c1 youtube.com.
ping: youtube.com.: Name or service not known
[root@localhost ~]# cat file
execve("/bin/ping", ["ping", "-6c1", "youtube.com."], 0x7ffdf941a678 /* 33 vars */) = 0
access("/etc/suid-debug", F_OK)         = -1 ENOENT (No such file or directory)
brk(NULL)                               = 0x56151aa0e000
fcntl(0, F_GETFD)                       = 0
fcntl(1, F_GETFD)                       = 0
fcntl(2, F_GETFD)                       = 0
access("/etc/suid-debug", F_OK)         = -1 ENOENT (No such file or directory)
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=33500, ...}) = 0
mmap(NULL, 33500, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fb7912f2000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libcap.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\"\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=27216, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb7912f0000
mmap(NULL, 29240, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb7912e8000
mprotect(0x7fb7912ea000, 16384, PROT_NONE) = 0
mmap(0x7fb7912ea000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fb7912ea000
mmap(0x7fb7912ec000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7fb7912ec000
mmap(0x7fb7912ee000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7fb7912ee000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libidn2.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360\"\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=125264, ...}) = 0
mmap(NULL, 127360, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb7912c8000
mmap(0x7fb7912ca000, 20480, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fb7912ca000
mmap(0x7fb7912cf000, 94208, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7000) = 0x7fb7912cf000
mmap(0x7fb7912e6000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d000) = 0x7fb7912e6000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libcrypto.so.1.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0p\7\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=2918064, ...}) = 0
mmap(NULL, 2937568, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790ffa000
mprotect(0x7fb791070000, 2252800, PROT_NONE) = 0
mmap(0x7fb791070000, 1658880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x76000) = 0x7fb791070000
mmap(0x7fb791205000, 589824, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x20b000) = 0x7fb791205000
mmap(0x7fb791296000, 184320, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x29b000) = 0x7fb791296000
mmap(0x7fb7912c3000, 17120, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb7912c3000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240C\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=92976, ...}) = 0
mmap(NULL, 105088, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790fe0000
mprotect(0x7fb790fe4000, 73728, PROT_NONE) = 0
mmap(0x7fb790fe4000, 53248, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7fb790fe4000
mmap(0x7fb790ff1000, 16384, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x7fb790ff1000
mmap(0x7fb790ff6000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fb790ff6000
mmap(0x7fb790ff8000, 6784, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb790ff8000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\240A\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1812504, ...}) = 0
mmap(NULL, 1825504, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790e22000
mmap(0x7fb790e44000, 1335296, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x22000) = 0x7fb790e44000
mmap(0x7fb790f8a000, 311296, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x168000) = 0x7fb790f8a000
mmap(0x7fb790fd6000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b3000) = 0x7fb790fd6000
mmap(0x7fb790fdc000, 15072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb790fdc000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libunistring.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300 \1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=1572992, ...}) = 0
mmap(NULL, 1577256, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790ca0000
mprotect(0x7fb790cb1000, 1490944, PROT_NONE) = 0
mmap(0x7fb790cb1000, 212992, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x11000) = 0x7fb790cb1000
mmap(0x7fb790ce5000, 1273856, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x45000) = 0x7fb790ce5000
mmap(0x7fb790e1d000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x17c000) = 0x7fb790e1d000
mmap(0x7fb790e21000, 296, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb790e21000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libz.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0203\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=112992, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb790c9e000
mmap(NULL, 115080, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790c81000
mmap(0x7fb790c84000, 69632, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fb790c84000
mmap(0x7fb790c95000, 28672, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x7fb790c95000
mmap(0x7fb790c9c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a000) = 0x7fb790c9c000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0000\21\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=14568, ...}) = 0
mmap(NULL, 16624, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790c7c000
mmap(0x7fb790c7d000, 4096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1000) = 0x7fb790c7d000
mmap(0x7fb790c7e000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fb790c7e000
mmap(0x7fb790c7f000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7fb790c7f000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220k\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=232392, ...}) = 0
mmap(NULL, 132192, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790c5b000
mmap(0x7fb790c61000, 61440, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fb790c61000
mmap(0x7fb790c70000, 24576, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fb790c70000
mmap(0x7fb790c76000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a000) = 0x7fb790c76000
mmap(0x7fb790c78000, 13408, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb790c78000
close(3)                                = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb790c59000
arch_prctl(ARCH_SET_FS, 0x7fb790c59dc0) = 0
mprotect(0x7fb790fd6000, 16384, PROT_READ) = 0
mprotect(0x7fb790c76000, 4096, PROT_READ) = 0
mprotect(0x7fb790c7f000, 4096, PROT_READ) = 0
mprotect(0x7fb790c9c000, 4096, PROT_READ) = 0
mprotect(0x7fb790e1d000, 12288, PROT_READ) = 0
mprotect(0x7fb790ff6000, 4096, PROT_READ) = 0
mprotect(0x7fb791296000, 176128, PROT_READ) = 0
mprotect(0x7fb7912e6000, 4096, PROT_READ) = 0
mprotect(0x7fb7912ee000, 4096, PROT_READ) = 0
mprotect(0x561519348000, 4096, PROT_READ) = 0
mprotect(0x7fb791324000, 4096, PROT_READ) = 0
munmap(0x7fb7912f2000, 33500)           = 0
set_tid_address(0x7fb790c5a090)         = 2703
set_robust_list(0x7fb790c5a0a0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7fb790c61620, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb790c6d8b0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fb790c616b0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb790c6d8b0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
fstat(0, {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0), ...}) = 0
fstat(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0), ...}) = 0
fstat(2, {st_mode=S_IFCHR|0600, st_rdev=makedev(0x88, 0), ...}) = 0
getuid()                                = 0
brk(NULL)                               = 0x56151aa0e000
brk(0x56151aa2f000)                     = 0x56151aa2f000
brk(NULL)                               = 0x56151aa2f000
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, NULL) = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 3
connect(3, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(3)                                = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 3
connect(3, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(3)                                = 0
openat(AT_FDCWD, "/etc/nsswitch.conf", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=1819, ...}) = 0
read(3, "#\n# Please refer to nsswitch.con"..., 4096) = 1819
read(3, "", 4096)                       = 0
close(3)                                = 0
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=33500, ...}) = 0
mmap(NULL, 33500, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fb7912f2000
close(3)                                = 0
openat(AT_FDCWD, "/lib64/libnss_files.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\3602\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=55768, ...}) = 0
mmap(NULL, 83768, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7fb790c44000
mmap(0x7fb790c47000, 28672, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7fb790c47000
mmap(0x7fb790c4e000, 12288, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa000) = 0x7fb790c4e000
mmap(0x7fb790c51000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xc000) = 0x7fb790c51000
mmap(0x7fb790c53000, 22328, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fb790c53000
close(3)                                = 0
mprotect(0x7fb790c51000, 4096, PROT_READ) = 0
munmap(0x7fb7912f2000, 33500)           = 0
openat(AT_FDCWD, "/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=2149, ...}) = 0
read(3, "root:x:0:0:System Administrator:"..., 4096) = 2149
close(3)                                = 0
openat(AT_FDCWD, "/proc/sys/kernel/ngroups_max", O_RDONLY) = 3
read(3, "65536\n", 31)                  = 6
close(3)                                = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 3
connect(3, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(3)                                = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 3
connect(3, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(3)                                = 0
openat(AT_FDCWD, "/etc/group", O_RDONLY|O_CLOEXEC) = 3
lseek(3, 0, SEEK_CUR)                   = 0
fstat(3, {st_mode=S_IFREG|0644, st_size=1306, ...}) = 0
read(3, "root:x:0:\nbin:x:1:root\ndaemon:x:"..., 4096) = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
lseek(3, 0, SEEK_CUR)                   = 1306
read(3, "", 4096)                       = 0
close(3)                                = 0
setgroups(1, [478])                     = 0
chroot("/var/resolv")                   = 0
chdir("/")                              = 0
setregid(478, 478)                      = 0
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, NULL) = 0
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ, inheritable=0}) = 0
capset({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=1<<CAP_SETGID|1<<CAP_SETUID, permitted=1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW, inheritable=0}) = 0
prctl(PR_SET_KEEPCAPS, 1)               = 0
setreuid(493, 493)                      = 0
prctl(PR_SET_KEEPCAPS, 0)               = 0
capset({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=0, permitted=1<<CAP_NET_ADMIN|1<<CAP_NET_RAW, inheritable=0}) = 0
openat(AT_FDCWD, "/usr/lib/locale/locale-archive", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/share/locale/locale.alias", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/ru_RU.UTF-8/LC_IDENTIFICATION", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/ru_RU.utf8/LC_IDENTIFICATION", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/ru_RU/LC_IDENTIFICATION", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/ru.UTF-8/LC_IDENTIFICATION", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/ru.utf8/LC_IDENTIFICATION", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib/locale/ru/LC_IDENTIFICATION", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, NULL) = 0
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=0, permitted=1<<CAP_NET_ADMIN|1<<CAP_NET_RAW, inheritable=0}) = 0
capset({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=1<<CAP_NET_RAW, permitted=1<<CAP_NET_ADMIN|1<<CAP_NET_RAW, inheritable=0}) = 0
socket(AF_INET6, SOCK_DGRAM, IPPROTO_ICMPV6) = -1 EACCES (Permission denied)
socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6) = 3
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, NULL) = 0
capget({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=1<<CAP_NET_RAW, permitted=1<<CAP_NET_ADMIN|1<<CAP_NET_RAW, inheritable=0}) = 0
capset({version=_LINUX_CAPABILITY_VERSION_3, pid=0}, {effective=0, permitted=1<<CAP_NET_ADMIN|1<<CAP_NET_RAW, inheritable=0}) = 0
openat(AT_FDCWD, "/usr/lib64/charset.alias", O_RDONLY|O_NOFOLLOW) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib64/gconv/gconv-modules.cache", O_RDONLY) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/usr/lib64/gconv/gconv-modules", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
futex(0x7fb790fdba08, FUTEX_WAKE_PRIVATE, 2147483647) = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 4
connect(4, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(4)                                = 0
socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 4
connect(4, {sa_family=AF_UNIX, sun_path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
close(4)                                = 0
stat("/etc/resolv.conf", {st_mode=S_IFREG|0644, st_size=218, ...}) = 0
openat(AT_FDCWD, "/etc/host.conf", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=26, ...}) = 0
read(4, "order hosts,bind\nmulti on\n", 4096) = 26
read(4, "", 4096)                       = 0
close(4)                                = 0
futex(0x7fb790fdebc4, FUTEX_WAKE_PRIVATE, 2147483647) = 0
openat(AT_FDCWD, "/etc/resolv.conf", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=218, ...}) = 0
read(4, "# Generated by resolvconf\n# Do n"..., 4096) = 218
read(4, "", 4096)                       = 0
close(4)                                = 0
openat(AT_FDCWD, "/etc/hosts", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=42, ...}) = 0
read(4, "127.0.0.1\tlocalhost.localdomain "..., 4096) = 42
read(4, "", 4096)                       = 0
close(4)                                = 0
openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/x86_64/x86_64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls/x86_64/x86_64", 0x7fff1370bf80) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/x86_64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls/x86_64", 0x7fff1370bf80) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/x86_64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls/x86_64", 0x7fff1370bf80) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/tls/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/tls", 0x7fff1370bf80)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/x86_64/x86_64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/x86_64/x86_64", 0x7fff1370bf80) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/x86_64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/x86_64", 0x7fff1370bf80)   = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/x86_64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/lib64/x86_64", 0x7fff1370bf80)   = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib64/libnss_dns.so.2", O_RDONLY|O_CLOEXEC) = 4
read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\21\0\0\0\0\0\0"..., 832) = 832
fstat(4, {st_mode=S_IFREG|0644, st_size=26944, ...}) = 0
mmap(NULL, 28888, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7fb7912f3000
mmap(0x7fb7912f4000, 16384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x1000) = 0x7fb7912f4000
mmap(0x7fb7912f8000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x5000) = 0x7fb7912f8000
mmap(0x7fb7912f9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x5000) = 0x7fb7912f9000
close(4)                                = 0
mprotect(0x7fb7912f9000, 4096, PROT_READ) = 0
socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.4.15.1")}, 16) = -1 ENETUNREACH (Network is unreachable)
close(4)                                = 0
socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(53), sin_addr=inet_addr("10.4.15.1")}, 16) = -1 ENETUNREACH (Network is unreachable)
close(4)                                = 0
openat(AT_FDCWD, "/lib64/libnss_myhostname.so.2", O_RDONLY|O_CLOEXEC) = 4
read(4, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0204\0\0\0\0\0\0"..., 832) = 832
fstat(4, {st_mode=S_IFREG|0644, st_size=88152, ...}) = 0
mmap(NULL, 92424, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 4, 0) = 0x7fb790c2d000
mmap(0x7fb790c30000, 40960, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x3000) = 0x7fb790c30000
mmap(0x7fb790c3a000, 24576, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0xd000) = 0x7fb790c3a000
mmap(0x7fb790c40000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 4, 0x12000) = 0x7fb790c40000
close(4)                                = 0
mprotect(0x7fb790c40000, 12288, PROT_READ) = 0
rt_sigprocmask(SIG_BLOCK, [HUP USR1 USR2 PIPE ALRM CHLD TSTP URG VTALRM PROF WINCH IO], [], 8) = 0
uname({sysname="Linux", nodename="localhost.localdomain", ...}) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
write(2, "ping: ", 6)                   = 6
write(2, "youtube.com.: Name or service no"..., 39) = 39
write(2, "\n", 1)                       = 1
close(1)                                = 0
close(2)                                = 0
exit_group(2)                           = ?
+++ exited with 2 +++