[ 1753.145126] br0: port 1(dummy0) entered blocking state
[ 1753.145163] br0: port 1(dummy0) entered disabled state
[ 1753.145199] dummy0: entered allmulticast mode
[ 1753.145250] dummy0: entered promiscuous mode
[ 1753.148013] br0: port 1(dummy0) entered blocking state
[ 1753.148045] br0: port 1(dummy0) entered forwarding state
[ 1753.341665] dummy0: left allmulticast mode
[ 1753.341701] dummy0: left promiscuous mode
[ 1753.341754] br0: port 1(dummy0) entered disabled state