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