[  250.677123][    C0] net_ratelimit: 3 callbacks suppressed
[  250.677132][    C0] TCP: AO hash mismatch for [2001:db8:1::1].49724->[2001:db8:254::1].7011 [P.]L3index: 0
[  250.677451][    C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].49724 [P.]L3index: 0
[  251.426329][    C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies.
[  251.700667][    C3] TCP: AO hash mismatch for [2001:db8:1::1].37130->[2001:db8:254::1].7012 [P.]L3index: 0
[  251.701580][    C3] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].37130 [P.]L3index: 0