[ 1854.854877] br0: port 1(dummy0) entered blocking state
[ 1854.854921] br0: port 1(dummy0) entered disabled state
[ 1854.854963] dummy0: entered allmulticast mode
[ 1854.855023] dummy0: entered promiscuous mode
[ 1854.858577] br0: port 1(dummy0) entered blocking state
[ 1854.858609] br0: port 1(dummy0) entered forwarding state
[ 1855.131765] dummy0: left allmulticast mode
[ 1855.131807] dummy0: left promiscuous mode
[ 1855.131838] br0: port 1(dummy0) entered disabled state