[  462.621982][T16963] sctp: Hash tables configured (bind 32/56)
[  482.961471][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.184012][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.959917][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  484.339985][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  484.427657][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  484.983398][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  485.436705][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  485.557263][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  485.642094][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  485.895519][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  542.279474][T17579] socat (17579) used greatest stack depth: 23392 bytes left
[  546.166282][T17622] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  546.224194][T17623] br0: port 1(veth0) entered blocking state
[  546.224624][T17623] br0: port 1(veth0) entered disabled state
[  546.224894][T17623] veth0: entered allmulticast mode
[  546.226747][T17623] veth0: entered promiscuous mode
[  546.265109][T17626] br0: port 2(veth1) entered blocking state
[  546.265561][T17626] br0: port 2(veth1) entered disabled state
[  546.265758][T17626] veth1: entered allmulticast mode
[  546.267463][T17626] veth1: entered promiscuous mode
[  546.296668][T17627] br0: port 2(veth1) entered blocking state
[  546.297029][T17627] br0: port 2(veth1) entered forwarding state
[  546.297682][T17627] br0: port 1(veth0) entered blocking state
[  546.297921][T17627] br0: port 1(veth0) entered forwarding state
[  558.788329][   T12] br0: port 1(veth0) entered disabled state
[  558.795226][   T12] veth0 (unregistering): left allmulticast mode
[  558.795688][   T12] veth0 (unregistering): left promiscuous mode
[  558.796360][   T12] br0: port 1(veth0) entered disabled state
[  558.938489][   T12] br0: port 2(veth1) entered disabled state
[  558.944957][   T12] veth1 (unregistering): left allmulticast mode
[  558.945156][   T12] veth1 (unregistering): left promiscuous mode
[  558.945512][   T12] br0: port 2(veth1) entered disabled state