EBT_VLAN_ENCAP
#define EBT_VLAN_MASK (EBT_VLAN_ID | EBT_VLAN_PRIO | EBT_VLAN_ENCAP)
if (GET_BITMASK(EBT_VLAN_ENCAP)) {
if (GET_BITMASK(EBT_VLAN_ENCAP))
EXIT_ON_MISMATCH(encap, EBT_VLAN_ENCAP);