[  471.409957][T17012] sctp: Hash tables configured (bind 32/56)
[  492.202637][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  492.792649][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  492.928380][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  493.060786][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  493.442357][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  493.490808][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  493.730092][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  493.820318][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  494.029147][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  494.084580][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  555.212632][T17640] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  555.270916][T17644] br0: port 1(veth0) entered blocking state
[  555.271271][T17644] br0: port 1(veth0) entered disabled state
[  555.271547][T17644] veth0: entered allmulticast mode
[  555.273426][T17644] veth0: entered promiscuous mode
[  555.307634][T17646] br0: port 2(veth1) entered blocking state
[  555.307950][T17646] br0: port 2(veth1) entered disabled state
[  555.308242][T17646] veth1: entered allmulticast mode
[  555.311539][T17646] veth1: entered promiscuous mode
[  555.357775][T17647] br0: port 2(veth1) entered blocking state
[  555.358098][T17647] br0: port 2(veth1) entered forwarding state
[  555.358549][T17647] br0: port 1(veth0) entered blocking state
[  555.358992][T17647] br0: port 1(veth0) entered forwarding state
[  562.052031][T17665] nf_queue (17665) used greatest stack depth: 23584 bytes left
[  562.053995][T17664] nf_queue (17664) used greatest stack depth: 23408 bytes left
[  567.654933][T17684] nf_queue (17684) used greatest stack depth: 23248 bytes left
[  567.945011][   T12] br0: port 1(veth0) entered disabled state
[  567.953431][   T12] veth0 (unregistering): left allmulticast mode
[  567.953781][   T12] veth0 (unregistering): left promiscuous mode
[  567.954176][   T12] br0: port 1(veth0) entered disabled state
[  568.121723][   T12] br0: port 2(veth1) entered disabled state
[  568.128901][   T12] veth1 (unregistering): left allmulticast mode
[  568.129093][   T12] veth1 (unregistering): left promiscuous mode
[  568.129259][   T12] br0: port 2(veth1) entered disabled state