[  740.797761][ T4042] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[  741.300198][ T4047] br0: port 1(veth0) entered blocking state
[  741.301595][ T4047] br0: port 1(veth0) entered disabled state
[  741.307330][ T4047] veth0: entered allmulticast mode
[  741.310477][ T4047] veth0: entered promiscuous mode
[  741.496190][ T4048] br0: port 2(veth1) entered blocking state
[  741.496626][ T4048] br0: port 2(veth1) entered disabled state
[  741.496999][ T4048] veth1: entered allmulticast mode
[  741.500183][ T4048] veth1: entered promiscuous mode
[  741.997072][ T1943] br0: port 1(veth0) entered blocking state
[  741.997559][ T1943] br0: port 1(veth0) entered forwarding state
[  742.153621][    T7] br0: port 2(veth1) entered blocking state
[  742.153900][    T7] br0: port 2(veth1) entered forwarding state
[  743.610162][   T74] veth1: left allmulticast mode
[  743.610551][   T74] veth1: left promiscuous mode
[  743.610884][   T74] br0: port 2(veth1) entered disabled state
[  743.613566][   T74] veth0: left allmulticast mode
[  743.613753][   T74] veth0: left promiscuous mode
[  743.614265][   T74] br0: port 1(veth0) entered disabled state