[ 255.293172][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].56590 [P.]L3index: 0 [ 255.293225][ C1] TCP: AO hash mismatch for [2001:db8:1::1].56590->[2001:db8:254::1].7011 [P.]L3index: 0 [ 255.790093][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies. [ 256.316318][ C1] TCP: AO hash mismatch for [2001:db8:1::1].59106->[2001:db8:254::1].7012 [P.]L3index: 0 [ 256.316328][ C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].59106 [P.]L3index: 0