1CLONE_VM 2CLONE_FS 3CLONE_FILES 4CLONE_SIGHAND 5CLONE_IDLETASK 6CLONE_PTRACE 7CLONE_VFORK 8CLONE_PARENT 9CLONE_THREAD 10CLONE_NEWNS 11CLONE_SYSVSEM 12CLONE_SETTLS 13CLONE_PARENT_SETTID 14CLONE_CHILD_CLEARTID 15CLONE_UNTRACED 16CLONE_CHILD_SETTID 17CLONE_STOPPED 18CLONE_NEWUTS 19CLONE_NEWIPC 20CLONE_NEWUSER 21CLONE_NEWPID 22CLONE_NEWNET 23CLONE_IO 24