[ 1652.093199] br0: port 1(dummy0) entered blocking state
[ 1652.093244] br0: port 1(dummy0) entered disabled state
[ 1652.093272] dummy0: entered allmulticast mode
[ 1652.093324] dummy0: entered promiscuous mode
[ 1652.096730] br0: port 1(dummy0) entered blocking state
[ 1652.096792] br0: port 1(dummy0) entered forwarding state
[ 1652.318157] dummy0: left allmulticast mode
[ 1652.318198] dummy0: left promiscuous mode
[ 1652.318229] br0: port 1(dummy0) entered disabled state