[  460.985295][T17020] sctp: Hash tables configured (bind 32/56)
[  481.334694][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  481.988569][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  482.347825][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  482.511160][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.362634][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  483.951113][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  544.244551][T17670] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  544.312717][T17671] br0: port 1(veth0) entered blocking state
[  544.313266][T17671] br0: port 1(veth0) entered disabled state
[  544.313605][T17671] veth0: entered allmulticast mode
[  544.316692][T17671] veth0: entered promiscuous mode
[  544.374575][T17675] br0: port 2(veth1) entered blocking state
[  544.375705][T17675] br0: port 2(veth1) entered disabled state
[  544.376019][T17675] veth1: entered allmulticast mode
[  544.378946][T17675] veth1: entered promiscuous mode
[  544.420142][T17676] br0: port 2(veth1) entered blocking state
[  544.420499][T17676] br0: port 2(veth1) entered forwarding state
[  544.421149][T17676] br0: port 1(veth0) entered blocking state
[  544.421374][T17676] br0: port 1(veth0) entered forwarding state
[  556.675122][   T71] br0: port 1(veth0) entered disabled state
[  556.693571][   T71] veth0 (unregistering): left allmulticast mode
[  556.693827][   T71] veth0 (unregistering): left promiscuous mode
[  556.694023][   T71] br0: port 1(veth0) entered disabled state
[  556.838199][   T71] br0: port 2(veth1) entered disabled state
[  556.850436][   T71] veth1 (unregistering): left allmulticast mode
[  556.850781][   T71] veth1 (unregistering): left promiscuous mode
[  556.851052][   T71] br0: port 2(veth1) entered disabled state