[  231.569369] sctp: Hash tables configured (bind 256/256)
[  248.988135] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  250.223064] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  250.405419] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  296.681092] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  296.685894] br0: port 1(veth0) entered blocking state
[  296.685927] br0: port 1(veth0) entered disabled state
[  296.685961] veth0: entered allmulticast mode
[  296.686012] veth0: entered promiscuous mode
[  296.689504] br0: port 2(veth1) entered blocking state
[  296.689542] br0: port 2(veth1) entered disabled state
[  296.689582] veth1: entered allmulticast mode
[  296.689633] veth1: entered promiscuous mode
[  296.693108] br0: port 2(veth1) entered blocking state
[  296.693145] br0: port 2(veth1) entered forwarding state
[  296.693182] br0: port 1(veth0) entered blocking state
[  296.693210] br0: port 1(veth0) entered forwarding state
[  307.362319] br0: port 1(veth0) entered disabled state
[  307.362498] veth0 (unregistering): left allmulticast mode
[  307.362531] veth0 (unregistering): left promiscuous mode
[  307.362560] br0: port 1(veth0) entered disabled state
[  307.383194] br0: port 2(veth1) entered disabled state
[  307.383343] veth1 (unregistering): left allmulticast mode
[  307.383374] veth1 (unregistering): left promiscuous mode
[  307.383404] br0: port 2(veth1) entered disabled state