[ 1675.926921] br0: port 1(dummy0) entered blocking state
[ 1675.927001] br0: port 1(dummy0) entered disabled state
[ 1675.927066] dummy0: entered allmulticast mode
[ 1675.927154] dummy0: entered promiscuous mode
[ 1675.929756] br0: port 1(dummy0) entered blocking state
[ 1675.929792] br0: port 1(dummy0) entered forwarding state
[ 1676.117064] dummy0: left allmulticast mode
[ 1676.117102] dummy0: left promiscuous mode
[ 1676.117128] br0: port 1(dummy0) entered disabled state