[ 1695.866379] br0: port 1(dummy0) entered blocking state
[ 1695.866448] br0: port 1(dummy0) entered disabled state
[ 1695.866501] dummy0: entered allmulticast mode
[ 1695.866575] dummy0: entered promiscuous mode
[ 1695.869218] br0: port 1(dummy0) entered blocking state
[ 1695.869268] br0: port 1(dummy0) entered forwarding state
[ 1696.049977] dummy0: left allmulticast mode
[ 1696.050011] dummy0: left promiscuous mode
[ 1696.050033] br0: port 1(dummy0) entered disabled state