[  476.292944][T16968] sctp: Hash tables configured (bind 32/56)
[  497.583527][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  497.777154][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  497.900042][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  498.647709][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  498.809780][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  498.935329][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  499.145108][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  499.445014][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  499.727788][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  499.799825][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  557.636249][T17556] socat (17556) used greatest stack depth: 23680 bytes left
[  561.146894][T17600] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  561.198811][T17604] br0: port 1(veth0) entered blocking state
[  561.199126][T17604] br0: port 1(veth0) entered disabled state
[  561.199326][T17604] veth0: entered allmulticast mode
[  561.200976][T17604] veth0: entered promiscuous mode
[  561.228562][T17605] br0: port 2(veth1) entered blocking state
[  561.228756][T17605] br0: port 2(veth1) entered disabled state
[  561.228937][T17605] veth1: entered allmulticast mode
[  561.230432][T17605] veth1: entered promiscuous mode
[  561.268415][T17606] br0: port 2(veth1) entered blocking state
[  561.268765][T17606] br0: port 2(veth1) entered forwarding state
[  561.269184][T17606] br0: port 1(veth0) entered blocking state
[  561.269452][T17606] br0: port 1(veth0) entered forwarding state
[  567.674472][T17624] nf_queue (17624) used greatest stack depth: 23672 bytes left
[  567.677466][T17625] nf_queue (17625) used greatest stack depth: 23200 bytes left
[  573.528024][   T12] br0: port 1(veth0) entered disabled state
[  573.532479][   T12] veth0 (unregistering): left allmulticast mode
[  573.532855][   T12] veth0 (unregistering): left promiscuous mode
[  573.533024][   T12] br0: port 1(veth0) entered disabled state
[  573.656807][   T12] br0: port 2(veth1) entered disabled state
[  573.666720][   T12] veth1 (unregistering): left allmulticast mode
[  573.666963][   T12] veth1 (unregistering): left promiscuous mode
[  573.667181][   T12] br0: port 2(veth1) entered disabled state