[ 85.496479] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].54766 [FP.]L3index: 0 [ 85.496481] TCP: AO hash mismatch for [2001:db8:1::1].54766->[2001:db8:254::1].7011 [FP.]L3index: 0 [ 85.606580] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 86.520533] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].37624 [FP.]L3index: 0 [ 86.520675] TCP: AO hash mismatch for [2001:db8:1::1].37624->[2001:db8:254::1].7012 [FP.]L3index: 0