[  550.023090][ T2250] br0: port 1(veth1) entered blocking state
[  550.023646][ T2250] br0: port 1(veth1) entered disabled state
[  550.023956][ T2250] veth1: entered allmulticast mode
[  550.026407][ T2250] veth1: entered promiscuous mode
[  550.204743][ T2252] br0: port 2(veth2) entered blocking state
[  550.205019][ T2252] br0: port 2(veth2) entered disabled state
[  550.205323][ T2252] veth2: entered allmulticast mode
[  550.207451][ T2252] veth2: entered promiscuous mode
[  550.588855][   T52] br0: port 1(veth1) entered blocking state
[  550.589710][   T52] br0: port 1(veth1) entered forwarding state
[  550.776987][   T52] br0: port 2(veth2) entered blocking state
[  550.777261][   T52] br0: port 2(veth2) entered forwarding state
[  774.253140][ T3433] br0: port 2(veth2) entered disabled state
[  774.426154][ T3435] br0: port 1(veth1) entered disabled state
[  774.580321][ T3437] veth2: left allmulticast mode
[  774.580541][ T3437] veth2: left promiscuous mode
[  774.580861][ T3437] br0: port 2(veth2) entered disabled state
[  774.583058][ T3437] veth1: left allmulticast mode
[  774.583268][ T3437] veth1: left promiscuous mode
[  774.583557][ T3437] br0: port 1(veth1) entered disabled state