[ 1794.912233] br0: port 1(dummy0) entered blocking state
[ 1794.912316] br0: port 1(dummy0) entered disabled state
[ 1794.912390] dummy0: entered allmulticast mode
[ 1794.912485] dummy0: entered promiscuous mode
[ 1794.915458] br0: port 1(dummy0) entered blocking state
[ 1794.915531] br0: port 1(dummy0) entered forwarding state
[ 1795.109591] dummy0: left allmulticast mode
[ 1795.109632] dummy0: left promiscuous mode
[ 1795.109666] br0: port 1(dummy0) entered disabled state