[  754.884823][ T4030] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  755.411399][ T4035] br0: port 1(veth0) entered blocking state
[  755.411864][ T4035] br0: port 1(veth0) entered disabled state
[  755.412142][ T4035] veth0: entered allmulticast mode
[  755.415137][ T4035] veth0: entered promiscuous mode
[  755.583283][ T4036] br0: port 2(veth1) entered blocking state
[  755.584872][ T4036] br0: port 2(veth1) entered disabled state
[  755.585141][ T4036] veth1: entered allmulticast mode
[  755.587118][ T4036] veth1: entered promiscuous mode
[  755.602274][ T4036] ip (4036) used greatest stack depth: 24016 bytes left
[  756.081818][   T50] br0: port 1(veth0) entered blocking state
[  756.082271][   T50] br0: port 1(veth0) entered forwarding state
[  756.244887][ T3133] br0: port 2(veth1) entered blocking state
[  756.245135][ T3133] br0: port 2(veth1) entered forwarding state
[  757.705138][   T10] veth1: left allmulticast mode
[  757.705530][   T10] veth1: left promiscuous mode
[  757.705867][   T10] br0: port 2(veth1) entered disabled state
[  757.708593][   T10] veth0: left allmulticast mode
[  757.708778][   T10] veth0: left promiscuous mode
[  757.709261][   T10] br0: port 1(veth0) entered disabled state