CLONE_VM	0x00000100
CLONE_FS	0x00000200
CLONE_FILES	0x00000400
CLONE_SIGHAND	0x00000800
CLONE_IDLETASK	0x00001000
CLONE_PTRACE	0x00002000
CLONE_VFORK	0x00004000
CLONE_PARENT	0x00008000
CLONE_THREAD	0x00010000
CLONE_NEWNS	0x00020000
CLONE_SYSVSEM	0x00040000
CLONE_SETTLS	0x00080000
CLONE_PARENT_SETTID	0x00100000
CLONE_CHILD_CLEARTID	0x00200000
CLONE_UNTRACED	0x00800000
CLONE_CHILD_SETTID	0x01000000
CLONE_NEWCGROUP	0x02000000
CLONE_NEWUTS	0x04000000
CLONE_NEWIPC	0x08000000
CLONE_NEWUSER	0x10000000
CLONE_NEWPID	0x20000000
CLONE_NEWNET	0x40000000
CLONE_IO	0x80000000