[ 250.173869][ C1] net_ratelimit: 3 callbacks suppressed [ 250.173881][ C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].47328 [P.]L3index: 0 [ 250.175111][ C1] TCP: AO hash mismatch for [2001:db8:1::1].47328->[2001:db8:254::1].7011 [P.]L3index: 0 [ 250.954833][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 251.196606][ C2] TCP: AO hash mismatch for [2001:db8:1::1].56172->[2001:db8:254::1].7012 [P.]L3index: 0 [ 251.708107][ C2] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].56172 [P.]L3index: 0