[ 2037.593340][ T3329] br0: port 1(dummy0) entered blocking state
[ 2037.593539][ T3329] br0: port 1(dummy0) entered disabled state
[ 2037.593717][ T3329] dummy0: entered allmulticast mode
[ 2037.594598][ T3329] dummy0: entered promiscuous mode
[ 2037.627821][ T3330] br0: port 1(dummy0) entered blocking state
[ 2037.628003][ T3330] br0: port 1(dummy0) entered forwarding state
[ 2039.964664][   T70] dummy0: left allmulticast mode
[ 2039.965731][   T70] dummy0: left promiscuous mode
[ 2039.965966][   T70] br0: port 1(dummy0) entered disabled state