readlink("/dev", 0x7ffff4248990, 4096)  = -1 EINVAL (Invalid argument)
readlink("/dev/disk", 0x7ffff4248990, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/disk/by-uuid", 0x7ffff4248990, 4096) = -1 EINVAL (Invalid argument)
readlink("/dev/disk/by-uuid/d5157012-0c6c-4a31-8066-7b619ab13e22", "../../sda6", 4096) = 10
readlink("/dev/sda6", 0x7ffff4248990, 4096) = -1 EINVAL (Invalid argument)
readlink("/a", 0x7ffff4248990, 4096)    = -1 EINVAL (Invalid argument)
stat("/sbin/mount.xfs", 0x7ffff424a530) = -1 ENOENT (No such file or directory)
rt_sigprocmask(SIG_BLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0
mount("/dev/disk/by-uuid/d5157012-0c6c-4a31-8066-7b619ab13e22", "/a", "xfs", MS_MGC_VAL, "") = -1 ENOSYS (Function not implemented)
rt_sigprocmask(SIG_UNBLOCK, ~[TRAP SEGV RTMIN RT_1], NULL, 8) = 0