OXM_OF_VLAN_VID(0000) # Packets without 802.1Q header or with VID=0
OXM_OF_VLAN_VID(1123) # Packets with VID=123, any PCP
OXM_OF_VLAN_VID(1123) OXM_OF_VLAN_PCP(01) # Packets with VID=123, PCP=1.
OXM_OF_VLAN_VID(0123) # Does not make sense (but supported anyway)
OXM_OF_VLAN_VID(0000) # Packets without 802.1Q header or with VID=0
OXM_OF_VLAN_VID(1123) # Packets with VID=123, any PCP
OXM_OF_VLAN_VID(1123) OXM_OF_VLAN_PCP(01) # Packets with VID=123, PCP=1.
OXM_OF_VLAN_VID(0123) # Does not make sense (but supported anyway)