[ 2066.791968][ T9465] br0: port 1(dummy0) entered blocking state
[ 2066.792167][ T9465] br0: port 1(dummy0) entered disabled state
[ 2066.792346][ T9465] dummy0: entered allmulticast mode
[ 2066.793799][ T9465] dummy0: entered promiscuous mode
[ 2066.826188][ T9466] br0: port 1(dummy0) entered blocking state
[ 2066.826509][ T9466] br0: port 1(dummy0) entered forwarding state
[ 2068.778387][   T12] dummy0: left allmulticast mode
[ 2068.778699][   T12] dummy0: left promiscuous mode
[ 2068.778940][   T12] br0: port 1(dummy0) entered disabled state