[ 1626.340541] br0: port 1(dummy0) entered blocking state
[ 1626.340594] br0: port 1(dummy0) entered disabled state
[ 1626.340622] dummy0: entered allmulticast mode
[ 1626.340675] dummy0: entered promiscuous mode
[ 1626.343233] br0: port 1(dummy0) entered blocking state
[ 1626.343294] br0: port 1(dummy0) entered forwarding state
[ 1626.527713] dummy0: left allmulticast mode
[ 1626.527756] dummy0: left promiscuous mode
[ 1626.527782] br0: port 1(dummy0) entered disabled state