OVS_VPORT_TYPE_GRE, /* GRE tunnel. */
OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel */
OVS_VPORT_TYPE_GRE64 = 104, /* GRE tunnel with 64-bit keys */
OVS_VPORT_TYPE_GRE, /* GRE tunnel. */
OVS_VPORT_TYPE_VXLAN, /* VXLAN tunnel */
OVS_VPORT_TYPE_GRE64 = 104, /* GRE tunnel with 64-bit keys */