1CLONE_VM 0x00000100 2CLONE_FS 0x00000200 3CLONE_FILES 0x00000400 4CLONE_SIGHAND 0x00000800 5CLONE_IDLETASK 0x00001000 6CLONE_PTRACE 0x00002000 7CLONE_VFORK 0x00004000 8CLONE_PARENT 0x00008000 9CLONE_THREAD 0x00010000 10CLONE_NEWNS 0x00020000 11CLONE_SYSVSEM 0x00040000 12CLONE_SETTLS 0x00080000 13CLONE_PARENT_SETTID 0x00100000 14CLONE_CHILD_CLEARTID 0x00200000 15CLONE_UNTRACED 0x00800000 16CLONE_CHILD_SETTID 0x01000000 17CLONE_NEWCGROUP 0x02000000 18CLONE_NEWUTS 0x04000000 19CLONE_NEWIPC 0x08000000 20CLONE_NEWUSER 0x10000000 21CLONE_NEWPID 0x20000000 22CLONE_NEWNET 0x40000000 23CLONE_IO 0x80000000 24