[ 2211.072641][ T3261] br0: port 1(dummy0) entered blocking state
[ 2211.072993][ T3261] br0: port 1(dummy0) entered disabled state
[ 2211.073323][ T3261] dummy0: entered allmulticast mode
[ 2211.074406][ T3261] dummy0: entered promiscuous mode
[ 2211.108515][ T3262] br0: port 1(dummy0) entered blocking state
[ 2211.109069][ T3262] br0: port 1(dummy0) entered forwarding state
[ 2213.655494][   T70] dummy0: left allmulticast mode
[ 2213.656827][   T70] dummy0: left promiscuous mode
[ 2213.657372][   T70] br0: port 1(dummy0) entered disabled state