[  521.639346][ T2251] br0: port 1(veth1) entered blocking state
[  521.640040][ T2251] br0: port 1(veth1) entered disabled state
[  521.640475][ T2251] veth1: entered allmulticast mode
[  521.643888][ T2251] veth1: entered promiscuous mode
[  521.852389][ T2253] br0: port 2(veth2) entered blocking state
[  521.852797][ T2253] br0: port 2(veth2) entered disabled state
[  521.853093][ T2253] veth2: entered allmulticast mode
[  521.855426][ T2253] veth2: entered promiscuous mode
[  522.233108][   T51] br0: port 1(veth1) entered blocking state
[  522.233815][   T51] br0: port 1(veth1) entered forwarding state
[  522.396726][   T50] br0: port 2(veth2) entered blocking state
[  522.397039][   T50] br0: port 2(veth2) entered forwarding state
[  749.988997][ T3434] br0: port 2(veth2) entered disabled state
[  750.205655][ T3436] br0: port 1(veth1) entered disabled state
[  750.360174][ T3438] veth2: left allmulticast mode
[  750.360397][ T3438] veth2: left promiscuous mode
[  750.360730][ T3438] br0: port 2(veth2) entered disabled state
[  750.363485][ T3438] veth1: left allmulticast mode
[  750.363696][ T3438] veth1: left promiscuous mode
[  750.364002][ T3438] br0: port 1(veth1) entered disabled state