tests/wb-oobr.out

    1  05:27:12.808464432 MPLS (label 197376, tc 7, [S], ttl 48)
	IP (tos 0x30, ttl 48, id 12336, offset 0, flags [none], proto UDP (17), length 12336, bad cksum 3030 (->7754)!)
    48.4.4.4.4400 > 127.0.0.1.3503:  [|lspping]
    2  05:27:12.808464432 IP (tos 0x30, ttl 48, id 12336, offset 0, flags [none], proto UDP (17), length 12336, bad cksum 3030 (->699d)!)
    48.48.48.48.3503 > 48.48.48.48.4567: * wb-prep: [|wb]
    3  05:27:12.808464432 MPLS (label 197376, tc 7, [S], ttl 48)
	IP (tos 0x30, ttl 48, id 12336, offset 0, flags [none], proto UDP (17), length 12336, bad cksum 3030 (->699d)!)
    48.48.48.48.4400 > 48.48.48.48.3503:  [|lspping]
    4  05:27:12.808464432 IP (tos 0x30, ttl 48, id 12336, offset 0, flags [none], proto UDP (17), length 12336, bad cksum 3030 (->c624)!)
    48.48.0.1.3503 > 48.4.4.4.4567: * wb-prep: [|wb]
    5  05:27:12.808464432 MPLS (label 197376, tc 7, [S], ttl 48)
	IP (tos 0x30, ttl 48, id 12336, offset 0, flags [none], proto UDP (17), length 12336, bad cksum 3030 (->7754)!)
    48.4.4.4.4400 > 127.0.0.1.3503:  [|lspping]
    6  05:27:12.808464432 IP (tos 0x30, ttl 48, id 12336, offset 0, flags [none], proto UDP (17), length 12336, bad cksum 3030 (->c624)!)
    48.48.0.1.3503 > 48.4.4.4.4567: * wb-prep: [|wb]