[ 1622.370286] br0: port 1(dummy0) entered blocking state
[ 1622.370313] br0: port 1(dummy0) entered disabled state
[ 1622.370339] dummy0: entered allmulticast mode
[ 1622.370374] dummy0: entered promiscuous mode
[ 1622.373080] br0: port 1(dummy0) entered blocking state
[ 1622.373129] br0: port 1(dummy0) entered forwarding state
[ 1622.549226] dummy0: left allmulticast mode
[ 1622.549291] dummy0: left promiscuous mode
[ 1622.549376] br0: port 1(dummy0) entered disabled state