[  441.003906][T17003] sctp: Hash tables configured (bind 32/56)
[  461.458497][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  461.953364][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  462.092355][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  462.299750][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  462.599218][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  463.094389][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  463.113497][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  463.659226][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  463.727771][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  463.979579][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.952904][T17258] socat (17258) used greatest stack depth: 23456 bytes left
[  527.618028][T17711] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  527.678458][T17713] br0: port 1(veth0) entered blocking state
[  527.679803][T17713] br0: port 1(veth0) entered disabled state
[  527.680161][T17713] veth0: entered allmulticast mode
[  527.681914][T17713] veth0: entered promiscuous mode
[  527.726090][T17715] br0: port 2(veth1) entered blocking state
[  527.726518][T17715] br0: port 2(veth1) entered disabled state
[  527.734485][T17715] veth1: entered allmulticast mode
[  527.736222][T17715] veth1: entered promiscuous mode
[  527.770560][T17718] br0: port 2(veth1) entered blocking state
[  527.771071][T17718] br0: port 2(veth1) entered forwarding state
[  527.771780][T17718] br0: port 1(veth0) entered blocking state
[  527.772177][T17718] br0: port 1(veth0) entered forwarding state
[  534.388102][T17736] nf_queue (17736) used greatest stack depth: 23304 bytes left
[  540.030193][T17755] nf_queue (17755) used greatest stack depth: 22800 bytes left
[  540.289507][   T12] br0: port 1(veth0) entered disabled state
[  540.292993][   T12] veth0 (unregistering): left allmulticast mode
[  540.293382][   T12] veth0 (unregistering): left promiscuous mode
[  540.293709][   T12] br0: port 1(veth0) entered disabled state
[  540.441837][   T12] br0: port 2(veth1) entered disabled state
[  540.445444][   T12] veth1 (unregistering): left allmulticast mode
[  540.445788][   T12] veth1 (unregistering): left promiscuous mode
[  540.446203][   T12] br0: port 2(veth1) entered disabled state