[ 1786.144442] br0: port 1(dummy0) entered blocking state
[ 1786.144480] br0: port 1(dummy0) entered disabled state
[ 1786.144503] dummy0: entered allmulticast mode
[ 1786.144552] dummy0: entered promiscuous mode
[ 1786.147591] br0: port 1(dummy0) entered blocking state
[ 1786.147647] br0: port 1(dummy0) entered forwarding state
[ 1786.348280] dummy0: left allmulticast mode
[ 1786.348309] dummy0: left promiscuous mode
[ 1786.348331] br0: port 1(dummy0) entered disabled state