[ 2379.827723][T26746] br0: port 1(dummy0) entered blocking state
[ 2379.828026][T26746] br0: port 1(dummy0) entered disabled state
[ 2379.828310][T26746] dummy0: entered allmulticast mode
[ 2379.829426][T26746] dummy0: entered promiscuous mode
[ 2379.861885][T26747] br0: port 1(dummy0) entered blocking state
[ 2379.862454][T26747] br0: port 1(dummy0) entered forwarding state
[ 2382.246127][   T70] dummy0: left allmulticast mode
[ 2382.247096][   T70] dummy0: left promiscuous mode
[ 2382.247523][   T70] br0: port 1(dummy0) entered disabled state