[ 1732.442672] br0: port 1(dummy0) entered blocking state
[ 1732.442707] br0: port 1(dummy0) entered disabled state
[ 1732.442743] dummy0: entered allmulticast mode
[ 1732.442791] dummy0: entered promiscuous mode
[ 1732.446161] br0: port 1(dummy0) entered blocking state
[ 1732.446194] br0: port 1(dummy0) entered forwarding state
[ 1732.658994] dummy0: left allmulticast mode
[ 1732.659066] dummy0: left promiscuous mode
[ 1732.659175] br0: port 1(dummy0) entered disabled state