[  451.838151][T16998] sctp: Hash tables configured (bind 32/56)
[  471.971817][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.171512][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.307827][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.452395][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.583049][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.696277][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.834060][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.875575][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  472.971733][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  473.482689][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  533.059943][T17680] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  533.106236][T17682] br0: port 1(veth0) entered blocking state
[  533.106631][T17682] br0: port 1(veth0) entered disabled state
[  533.107039][T17682] veth0: entered allmulticast mode
[  533.109141][T17682] veth0: entered promiscuous mode
[  533.141508][T17683] br0: port 2(veth1) entered blocking state
[  533.142291][T17683] br0: port 2(veth1) entered disabled state
[  533.142480][T17683] veth1: entered allmulticast mode
[  533.144101][T17683] veth1: entered promiscuous mode
[  533.171337][T17687] br0: port 2(veth1) entered blocking state
[  533.171715][T17687] br0: port 2(veth1) entered forwarding state
[  533.172221][T17687] br0: port 1(veth0) entered blocking state
[  533.172520][T17687] br0: port 1(veth0) entered forwarding state
[  539.516981][T17705] nf_queue (17705) used greatest stack depth: 22560 bytes left
[  545.368909][   T70] br0: port 1(veth0) entered disabled state
[  545.373746][   T70] veth0 (unregistering): left allmulticast mode
[  545.374030][   T70] veth0 (unregistering): left promiscuous mode
[  545.374211][   T70] br0: port 1(veth0) entered disabled state
[  545.493651][   T70] br0: port 2(veth1) entered disabled state
[  545.496158][   T70] veth1 (unregistering): left allmulticast mode
[  545.496443][   T70] veth1 (unregistering): left promiscuous mode
[  545.496673][   T70] br0: port 2(veth1) entered disabled state