[ 2189.608528][T25877] br0: port 1(dummy0) entered blocking state
[ 2189.608717][T25877] br0: port 1(dummy0) entered disabled state
[ 2189.608880][T25877] dummy0: entered allmulticast mode
[ 2189.609746][T25877] dummy0: entered promiscuous mode
[ 2189.632850][T25878] br0: port 1(dummy0) entered blocking state
[ 2189.633074][T25878] br0: port 1(dummy0) entered forwarding state
[ 2191.559105][   T12] dummy0: left allmulticast mode
[ 2191.559798][   T12] dummy0: left promiscuous mode
[ 2191.560428][   T12] br0: port 1(dummy0) entered disabled state