[ 242.476207][ C0] TCP: AO hash mismatch for [2001:db8:1::1].35492->[2001:db8:254::1].7013 [P.]L3index: 0 [ 242.988480][ C2] TCP: AO hash mismatch for [2001:db8:1::1].35492->[2001:db8:254::1].7013 [.]L3index: 0 [ 243.500504][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].56638 [.]L3index: 0 [ 244.012141][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7014->[2001:db8:1::1].56638 [P.]L3index: 0 [ 245.685686][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies.