4 CLONE_SIGHAND 0x00000800
5 CLONE_IDLETASK 0x00001000
6 CLONE_PTRACE 0x00002000
8 CLONE_PARENT 0x00008000
9 CLONE_THREAD 0x00010000
10 CLONE_NEWNS 0x00020000
11 CLONE_SYSVSEM 0x00040000
12 CLONE_SETTLS 0x00080000
13 CLONE_PARENT_SETTID 0x00100000
14 CLONE_CHILD_CLEARTID 0x00200000
15 CLONE_UNTRACED 0x00800000
16 CLONE_CHILD_SETTID 0x01000000
17 CLONE_NEWCGROUP 0x02000000
18 CLONE_NEWUTS 0x04000000
19 CLONE_NEWIPC 0x08000000
20 CLONE_NEWUSER 0x10000000
21 CLONE_NEWPID 0x20000000
22 CLONE_NEWNET 0x40000000