[ 1675.926593] br0: port 1(dummy0) entered blocking state
[ 1675.926674] br0: port 1(dummy0) entered disabled state
[ 1675.926739] dummy0: entered allmulticast mode
[ 1675.926820] dummy0: entered promiscuous mode
[ 1675.929591] br0: port 1(dummy0) entered blocking state
[ 1675.929622] br0: port 1(dummy0) entered forwarding state
[ 1676.125199] dummy0: left allmulticast mode
[ 1676.125233] dummy0: left promiscuous mode
[ 1676.125261] br0: port 1(dummy0) entered disabled state