[ 2201.966151][T21636] br0: port 1(dummy0) entered blocking state
[ 2201.966344][T21636] br0: port 1(dummy0) entered disabled state
[ 2201.966515][T21636] dummy0: entered allmulticast mode
[ 2201.967938][T21636] dummy0: entered promiscuous mode
[ 2201.992076][T21637] br0: port 1(dummy0) entered blocking state
[ 2201.993044][T21637] br0: port 1(dummy0) entered forwarding state
[ 2204.093414][   T69] dummy0: left allmulticast mode
[ 2204.094220][   T69] dummy0: left promiscuous mode
[ 2204.094537][   T69] br0: port 1(dummy0) entered disabled state