[ 1795.560682] br0: port 1(dummy0) entered blocking state
[ 1795.560722] br0: port 1(dummy0) entered disabled state
[ 1795.560743] dummy0: entered allmulticast mode
[ 1795.560785] dummy0: entered promiscuous mode
[ 1795.564512] br0: port 1(dummy0) entered blocking state
[ 1795.564562] br0: port 1(dummy0) entered forwarding state
[ 1795.845263] dummy0: left allmulticast mode
[ 1795.845299] dummy0: left promiscuous mode
[ 1795.845324] br0: port 1(dummy0) entered disabled state