[  234.565170] sctp: Hash tables configured (bind 256/256)
[  251.706839] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  252.771497] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  253.780566] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  297.764481] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  297.769500] br0: port 1(veth0) entered blocking state
[  297.769566] br0: port 1(veth0) entered disabled state
[  297.769638] veth0: entered allmulticast mode
[  297.769728] veth0: entered promiscuous mode
[  297.773212] br0: port 2(veth1) entered blocking state
[  297.773242] br0: port 2(veth1) entered disabled state
[  297.773279] veth1: entered allmulticast mode
[  297.773347] veth1: entered promiscuous mode
[  297.776774] br0: port 2(veth1) entered blocking state
[  297.776838] br0: port 2(veth1) entered forwarding state
[  297.776908] br0: port 1(veth0) entered blocking state
[  297.776971] br0: port 1(veth0) entered forwarding state
[  308.384704] br0: port 1(veth0) entered disabled state
[  308.384923] veth0 (unregistering): left allmulticast mode
[  308.384956] veth0 (unregistering): left promiscuous mode
[  308.384987] br0: port 1(veth0) entered disabled state
[  308.404208] br0: port 2(veth1) entered disabled state
[  308.404366] veth1 (unregistering): left allmulticast mode
[  308.404395] veth1 (unregistering): left promiscuous mode
[  308.404425] br0: port 2(veth1) entered disabled state