[ 1762.178000] br0: port 1(dummy0) entered blocking state
[ 1762.178044] br0: port 1(dummy0) entered disabled state
[ 1762.178083] dummy0: entered allmulticast mode
[ 1762.178141] dummy0: entered promiscuous mode
[ 1762.181560] br0: port 1(dummy0) entered blocking state
[ 1762.181625] br0: port 1(dummy0) entered forwarding state
[ 1762.403838] dummy0: left allmulticast mode
[ 1762.403865] dummy0: left promiscuous mode
[ 1762.403895] br0: port 1(dummy0) entered disabled state