[ 2419.915568][T26924] br0: port 1(dummy0) entered blocking state
[ 2419.915895][T26924] br0: port 1(dummy0) entered disabled state
[ 2419.916205][T26924] dummy0: entered allmulticast mode
[ 2419.917244][T26924] dummy0: entered promiscuous mode
[ 2419.943829][T26925] br0: port 1(dummy0) entered blocking state
[ 2419.944689][T26925] br0: port 1(dummy0) entered forwarding state
[ 2422.548302][   T12] dummy0: left allmulticast mode
[ 2422.549776][   T12] dummy0: left promiscuous mode
[ 2422.550142][   T12] br0: port 1(dummy0) entered disabled state