[ 1805.295631] br0: port 1(dummy0) entered blocking state
[ 1805.295683] br0: port 1(dummy0) entered disabled state
[ 1805.295728] dummy0: entered allmulticast mode
[ 1805.295781] dummy0: entered promiscuous mode
[ 1805.299086] br0: port 1(dummy0) entered blocking state
[ 1805.299151] br0: port 1(dummy0) entered forwarding state
[ 1805.526931] dummy0: left allmulticast mode
[ 1805.526999] dummy0: left promiscuous mode
[ 1805.527064] br0: port 1(dummy0) entered disabled state