[ 246.578839][ C1] net_ratelimit: 3 callbacks suppressed [ 246.578846][ C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].40560 [P.]L3index: 0 [ 246.579866][ C0] TCP: AO hash mismatch for [2001:db8:1::1].40560->[2001:db8:254::1].7011 [P.]L3index: 0 [ 247.114626][ C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 247.603187][ C3] TCP: AO hash mismatch for [2001:db8:1::1].50532->[2001:db8:254::1].7012 [P.]L3index: 0 [ 247.603336][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].50532 [P.]L3index: 0