#define VC_IATTR_BARRIER 0x00010000u
#define VC_IATTR_IUNLINK 0x00020000u
#define VC_IATTR_IMMUTABLE 0x00040000u
+#define VC_IATTR_COW 0x00080000u
// the flags
#define VC_VXC_SET_UTSNAME 0x00000001ull
#define VC_VXC_SET_RLIMIT 0x00000002ull
#define VC_VXC_FS_SECURITY 0x00000004ull
+#define VC_VXC_TIOCSTI 0x00000010ull
#define VC_VXC_RAW_ICMP 0x00000100ull
#define VC_VXC_SYSLOG 0x00001000ull