[ 1782.695680] br0: port 1(dummy0) entered blocking state
[ 1782.695725] br0: port 1(dummy0) entered disabled state
[ 1782.695764] dummy0: entered allmulticast mode
[ 1782.695818] dummy0: entered promiscuous mode
[ 1782.698692] br0: port 1(dummy0) entered blocking state
[ 1782.698758] br0: port 1(dummy0) entered forwarding state
[ 1782.890499] dummy0: left allmulticast mode
[ 1782.890538] dummy0: left promiscuous mode
[ 1782.890572] br0: port 1(dummy0) entered disabled state