[ 1925.072727] br0: port 1(dummy0) entered blocking state
[ 1925.072764] br0: port 1(dummy0) entered disabled state
[ 1925.072802] dummy0: entered allmulticast mode
[ 1925.072853] dummy0: entered promiscuous mode
[ 1925.076338] br0: port 1(dummy0) entered blocking state
[ 1925.076369] br0: port 1(dummy0) entered forwarding state
[ 1925.324064] dummy0: left allmulticast mode
[ 1925.324123] dummy0: left promiscuous mode
[ 1925.324185] br0: port 1(dummy0) entered disabled state