1*05b00f60SXin Li 1 01:24:11.327631 IP (tos 0x0, ttl 64, id 65103, offset 0, flags [DF], proto UDP (17), length 60) 2*05b00f60SXin Li 30.0.0.2.3503 > 1.1.1.1.39381: [bad udp cksum 0x203d -> 0x7fa4!] 3*05b00f60SXin Li LSP-PINGv1, msg-type: MPLS Echo Reply (2), length: 32 4*05b00f60SXin Li reply-mode: Reply via an IPv4/IPv6 UDP packet (2) 5*05b00f60SXin Li Return Code: Replying router is an egress for the FEC at stack depth 0 (3) 6*05b00f60SXin Li Return Subcode: (0) 7*05b00f60SXin Li Sender Handle: 0x00000000, Sequence: 1 8*05b00f60SXin Li Sender Timestamp: 3809381051.326312999 (2020-09-18T01:24:11Z) Receiver Timestamp: 3809381051.327528999 (2020-09-18T01:24:11Z) 9