SO_TXTIME ipv4 clock monotonic payload:a delay:19 expected:0 (us) SO_TXTIME ipv6 clock monotonic payload:a delay:20 expected:0 (us) SO_TXTIME ipv6 clock monotonic payload:a delay:10072 expected:10000 (us) SO_TXTIME ipv4 clock monotonic payload:a delay:10240 expected:10000 (us) payload:b delay:20104 expected:20000 (us) SO_TXTIME ipv6 clock monotonic payload:b delay:20013 expected:20000 (us) payload:a delay:22717 expected:20000 (us) Error: Specified qdisc kind is unknown. tc (tc utility, iproute2-6.0.0, libbpf 1.0.0) does not support qdisc etf. skipping OK. All tests passed :: [ PASS ] :: Test '34..84 selftests: net:so_txtime.sh [PASS]'