[  232.457507] sctp: Hash tables configured (bind 256/256)
[  250.037463] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  252.583925] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  252.646215] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  296.759407] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  296.765474] br0: port 1(veth0) entered blocking state
[  296.765496] br0: port 1(veth0) entered disabled state
[  296.765519] veth0: entered allmulticast mode
[  296.765564] veth0: entered promiscuous mode
[  296.769722] br0: port 2(veth1) entered blocking state
[  296.769776] br0: port 2(veth1) entered disabled state
[  296.769833] veth1: entered allmulticast mode
[  296.769914] veth1: entered promiscuous mode
[  296.773983] br0: port 2(veth1) entered blocking state
[  296.774003] br0: port 2(veth1) entered forwarding state
[  296.774033] br0: port 1(veth0) entered blocking state
[  296.774049] br0: port 1(veth0) entered forwarding state
[  307.366379] br0: port 1(veth0) entered disabled state
[  307.366555] veth0 (unregistering): left allmulticast mode
[  307.366576] veth0 (unregistering): left promiscuous mode
[  307.366593] br0: port 1(veth0) entered disabled state
[  307.380328] br0: port 2(veth1) entered disabled state
[  307.380464] veth1 (unregistering): left allmulticast mode
[  307.380487] veth1 (unregistering): left promiscuous mode
[  307.380505] br0: port 2(veth1) entered disabled state