[ 253.226710][ C1] TCP: AO hash mismatch for [2001:db8:1::1].50498->[2001:db8:254::1].7011 [P.]L3index: 0 [ 253.226920][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].50498 [P.]L3index: 0 [ 253.548749][ C2] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. Sending cookies. [ 254.250874][ C1] TCP: AO hash mismatch for [2001:db8:1::1].49356->[2001:db8:254::1].7012 [P.]L3index: 0 [ 254.250881][ C0] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].49356 [P.]L3index: 0