[ 243.038856][ C2] TCP: AO hash mismatch for [2001:db8:1::1].46354->[2001:db8:254::1].7011 [FP.]L3index: 0 [ 243.040166][ C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].46354 [FP.]L3index: 0 [ 244.062566][ C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].60704 [FP.]L3index: 0 [ 244.062668][ C0] TCP: AO hash mismatch for [2001:db8:1::1].60704->[2001:db8:254::1].7012 [FP.]L3index: 0 [ 244.588548][ C2] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 245.087021][ C3] TCP: AO hash mismatch for [2001:db8:1::1].34306->[2001:db8:254::1].7013 [.]L3index: 0 [ 245.087046][ C0] TCP: AO hash mismatch for [2001:db8:1::1].34306->[2001:db8:254::1].7013 [FP.]L3index: 0