[ 1513.687341] secure_seq: tcpv6 isn: 1493949057 [ 1514.801641] secure_seq: tcp isn: 3270803977 [ 1514.801712] secure_seq: tcp isn: 1894251664 [ 1514.801896] secure_seq: tcpv6 isn: 4199124551 [ 1514.801944] secure_seq: tcpv6 isn: 1600172632 [ 1514.802084] secure_seq: tcp isn: 2342840288 [ 1514.802177] secure_seq: tcp isn: 1603639588 [ 1514.825761] DCCP: Activated CCID 2 (TCP-like) [ 1514.825844] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 1514.827877] DCCP is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 1514.844560] dccp_sample_rtt: unusable RTT sample 0, using min