IFLA_BRIDGE_MRP_RING_ROLE_ROLE
[IFLA_BRIDGE_MRP_RING_ROLE_ROLE] = { .type = NLA_U32 },
!tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]) {
role.ring_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]);