[  466.337628][T16950] sctp: Hash tables configured (bind 32/56)
[  487.910631][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  488.211553][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  488.385370][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  488.686527][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  488.852154][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.175133][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.372272][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.651708][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.743395][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  489.858572][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  550.349783][T17534] socat (17534) used greatest stack depth: 23328 bytes left
[  553.907508][T17570] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  553.994571][T17571] br0: port 1(veth0) entered blocking state
[  553.995394][T17571] br0: port 1(veth0) entered disabled state
[  553.995774][T17571] veth0: entered allmulticast mode
[  553.997467][T17571] veth0: entered promiscuous mode
[  554.034146][T17574] br0: port 2(veth1) entered blocking state
[  554.034521][T17574] br0: port 2(veth1) entered disabled state
[  554.034860][T17574] veth1: entered allmulticast mode
[  554.036535][T17574] veth1: entered promiscuous mode
[  554.077477][T17576] br0: port 2(veth1) entered blocking state
[  554.078379][T17576] br0: port 2(veth1) entered forwarding state
[  554.079356][T17576] br0: port 1(veth0) entered blocking state
[  554.079931][T17576] br0: port 1(veth0) entered forwarding state
[  560.513029][T17595] nf_queue (17595) used greatest stack depth: 22816 bytes left
[  566.121055][T17613] nf_queue (17613) used greatest stack depth: 22400 bytes left
[  566.461274][   T12] br0: port 1(veth0) entered disabled state
[  566.466110][   T12] veth0 (unregistering): left allmulticast mode
[  566.466703][   T12] veth0 (unregistering): left promiscuous mode
[  566.467054][   T12] br0: port 1(veth0) entered disabled state
[  566.643166][   T12] br0: port 2(veth1) entered disabled state
[  566.647834][   T12] veth1 (unregistering): left allmulticast mode
[  566.648797][   T12] veth1 (unregistering): left promiscuous mode
[  566.649247][   T12] br0: port 2(veth1) entered disabled state