Strace: 'ipsec statusall' on KVM

execve("/usr/sbin/ipsec", ["ipsec", "statusall"], 0x7ffee838c828 /* 22 vars */) = 0
brk(NULL)                               = 0x55fb57b34000
access("/etc/ld.so.nohwcap", 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=23242, ...}) = 0
mmap(NULL, 23242, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7f1993a24000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/lib/x86_64-linux-gnu/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\260\34\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=2030544, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1993a22000
mmap(NULL, 4131552, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f1993412000
mprotect(0x7f19935f9000, 2097152, PROT_NONE) = 0
mmap(0x7f19937f9000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1e7000) = 0x7f19937f9000
mmap(0x7f19937ff000, 15072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f19937ff000
close(3)                                = 0
arch_prctl(ARCH_SET_FS, 0x7f1993a23540) = 0
mprotect(0x7f19937f9000, 16384, PROT_READ) = 0
mprotect(0x55fb56960000, 8192, PROT_READ) = 0
mprotect(0x7f1993a2a000, 4096, PROT_READ) = 0
munmap(0x7f1993a24000, 23242)           = 0
getuid()                                = 0
getgid()                                = 0
getpid()                                = 1677
rt_sigaction(SIGCHLD, {sa_handler=0x55fb56757200, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f1993450f20}, NULL, 8) = 0
geteuid()                               = 0
brk(NULL)                               = 0x55fb57b34000
brk(0x55fb57b55000)                     = 0x55fb57b55000
getppid()                               = 1675
stat("/root", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
stat(".", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
openat(AT_FDCWD, "/usr/sbin/ipsec", O_RDONLY) = 3
fcntl(3, F_DUPFD, 10)                   = 10
close(3)                                = 0
fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
geteuid()                               = 0
getegid()                               = 0
rt_sigaction(SIGINT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGINT, {sa_handler=0x55fb56757200, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f1993450f20}, NULL, 8) = 0
rt_sigaction(SIGQUIT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGQUIT, {sa_handler=SIG_DFL, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f1993450f20}, NULL, 8) = 0
rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=SIG_DFL, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f1993450f20}, NULL, 8) = 0
read(10, "#! /bin/sh\n# prefix command to r"..., 8192) = 7774
pipe([3, 4])                            = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f1993a23810) = 1678
close(4)                                = 0
read(3, "Linux\n", 128)                 = 6
read(3, "", 128)                        = 0
close(3)                                = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 1678
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1678, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
rt_sigreturn({mask=[]})                 = 1678
pipe([3, 4])                            = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f1993a23810) = 1679
close(4)                                = 0
read(3, "4.15.0-23-generic\n", 128)     = 18
read(3, "", 128)                        = 0
close(3)                                = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 1679
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1679, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
rt_sigreturn({mask=[]})                 = 1679
stat("/var/run/charon.pid", {st_mode=S_IFREG|0644, st_size=5, ...}) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f1993a23810) = 1680
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 1680
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1680, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
rt_sigreturn({mask=[]})                 = 1680
stat("/var/run/starter.charon.pid", {st_mode=S_IFREG|0644, st_size=5, ...}) = 0
pipe([3, 4])                            = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f1993a23810) = 1681
close(4)                                = 0
read(3, "1491\n", 128)                  = 5
read(3, "", 128)                        = 0
close(3)                                = 0
wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 1681
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1681, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
rt_sigreturn({mask=[]})                 = 1681
openat(AT_FDCWD, "/dev/null", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 3
fcntl(2, F_DUPFD, 10)                   = 11
close(2)                                = 0
fcntl(11, F_SETFD, FD_CLOEXEC)          = 0
dup2(3, 2)                              = 2
close(3)                                = 0
kill(1491, SIG_0)                       = 0
dup2(11, 2)                             = 2
close(11)                               = 0
exit_group(0)                           = ?
+++ exited with 0 +++