clone(child_stack=0x7f81783000, flags=0) = 19007
clone(child_stack=0x7f81783000, flags=CLONE_FS) = 19008
clone(child_stack=0x7f81783000, flags=SIGCHLD) = 19009
clone(child_stack=0x7f81783000, flags=CLONE_FS|SIGCHLD) = 19010
clone(child_stack=0x7f81783000, flags=CLONE_PARENT_SETTID|SIGCHLD, parent_tid=[19011]) = 19011
clone(child_stack=0x7f81783000, flags=CLONE_PIDFD|SIGCHLD, parent_tid=[3<anon_inode:[pidfd]>]) = 19012