[ 1794.956424] br0: port 1(dummy0) entered blocking state
[ 1794.956506] br0: port 1(dummy0) entered disabled state
[ 1794.956575] dummy0: entered allmulticast mode
[ 1794.956665] dummy0: entered promiscuous mode
[ 1794.960171] br0: port 1(dummy0) entered blocking state
[ 1794.960217] br0: port 1(dummy0) entered forwarding state
[ 1795.201308] dummy0: left allmulticast mode
[ 1795.201354] dummy0: left promiscuous mode
[ 1795.201390] br0: port 1(dummy0) entered disabled state