[ 1798.742872] br0: port 1(dummy0) entered blocking state
[ 1798.742913] br0: port 1(dummy0) entered disabled state
[ 1798.742950] dummy0: entered allmulticast mode
[ 1798.742999] dummy0: entered promiscuous mode
[ 1798.746401] br0: port 1(dummy0) entered blocking state
[ 1798.746430] br0: port 1(dummy0) entered forwarding state
[ 1799.006376] dummy0: left allmulticast mode
[ 1799.006408] dummy0: left promiscuous mode
[ 1799.006436] br0: port 1(dummy0) entered disabled state