[ 2286.516820][T12461] br0: port 1(dummy0) entered blocking state
[ 2286.517005][T12461] br0: port 1(dummy0) entered disabled state
[ 2286.517169][T12461] dummy0: entered allmulticast mode
[ 2286.518600][T12461] dummy0: entered promiscuous mode
[ 2286.541930][T12462] br0: port 1(dummy0) entered blocking state
[ 2286.542177][T12462] br0: port 1(dummy0) entered forwarding state
[ 2288.538703][   T12] dummy0: left allmulticast mode
[ 2288.540610][   T12] dummy0: left promiscuous mode
[ 2288.541537][   T12] br0: port 1(dummy0) entered disabled state