[ 1865.813097] br0: port 1(dummy0) entered blocking state
[ 1865.813131] br0: port 1(dummy0) entered disabled state
[ 1865.813156] dummy0: entered allmulticast mode
[ 1865.813199] dummy0: entered promiscuous mode
[ 1865.816806] br0: port 1(dummy0) entered blocking state
[ 1865.816828] br0: port 1(dummy0) entered forwarding state
[ 1866.081037] dummy0: left allmulticast mode
[ 1866.081066] dummy0: left promiscuous mode
[ 1866.081092] br0: port 1(dummy0) entered disabled state