[  260.876919][    C3] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  261.564631][    C1] TCP: AO hash mismatch for 10.0.254.1.7011->10.0.1.1.42544 [P.] L3index: 0
[  261.565423][    C1] TCP: AO hash mismatch for 10.0.1.1.42544->10.0.254.1.7011 [P.] L3index: 0