[ 227.666699][ C3] net_ratelimit: 1 callbacks suppressed [ 227.666713][ C1] TCP: AO hash mismatch for [2001:db8:254::1].7011->[2001:db8:1::1].42734 [FP.]L3index: 0 [ 227.667018][ C3] TCP: AO hash mismatch for [2001:db8:1::1].42734->[2001:db8:254::1].7011 [FP.]L3index: 0 [ 228.690585][ C3] TCP: AO hash mismatch for [2001:db8:1::1].36308->[2001:db8:254::1].7012 [FP.]L3index: 0 [ 228.690637][ C1] TCP: AO hash mismatch for [2001:db8:254::1].7012->[2001:db8:1::1].36308 [FP.]L3index: 0 [ 229.390909][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port [2001:db8:254::1]:7010. Sending cookies. [ 229.715404][ C2] TCP: AO hash mismatch for [2001:db8:1::1].56578->[2001:db8:254::1].7013 [FP.]L3index: 0 [ 229.715788][ C1] TCP: AO hash mismatch for [2001:db8:1::1].56578->[2001:db8:254::1].7013 [.]L3index: 0