[  439.858811][T17016] sctp: Hash tables configured (bind 32/56)
[  460.261520][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  460.343257][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  460.824076][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  460.940338][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  460.986853][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  461.219054][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  461.418484][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  461.551571][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  461.744675][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  461.856018][    C3] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
[  526.061615][T17744] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  526.111707][T17746] br0: port 1(veth0) entered blocking state
[  526.112178][T17746] br0: port 1(veth0) entered disabled state
[  526.112513][T17746] veth0: entered allmulticast mode
[  526.114282][T17746] veth0: entered promiscuous mode
[  526.150585][T17747] br0: port 2(veth1) entered blocking state
[  526.150964][T17747] br0: port 2(veth1) entered disabled state
[  526.157852][T17747] veth1: entered allmulticast mode
[  526.159590][T17747] veth1: entered promiscuous mode
[  526.205680][T17751] br0: port 2(veth1) entered blocking state
[  526.206126][T17751] br0: port 2(veth1) entered forwarding state
[  526.206701][T17751] br0: port 1(veth0) entered blocking state
[  526.207037][T17751] br0: port 1(veth0) entered forwarding state
[  532.340240][T17769] nf_queue (17769) used greatest stack depth: 23304 bytes left
[  537.967557][T17787] nf_queue (17787) used greatest stack depth: 22352 bytes left
[  538.218364][   T12] br0: port 1(veth0) entered disabled state
[  538.224241][   T12] veth0 (unregistering): left allmulticast mode
[  538.224829][   T12] veth0 (unregistering): left promiscuous mode
[  538.225169][   T12] br0: port 1(veth0) entered disabled state
[  538.356714][   T12] br0: port 2(veth1) entered disabled state
[  538.360449][   T12] veth1 (unregistering): left allmulticast mode
[  538.360793][   T12] veth1 (unregistering): left promiscuous mode
[  538.361127][   T12] br0: port 2(veth1) entered disabled state