[ 2282.715502][T12168] br0: port 1(dummy0) entered blocking state
[ 2282.715691][T12168] br0: port 1(dummy0) entered disabled state
[ 2282.716642][T12168] dummy0: entered allmulticast mode
[ 2282.717190][T12168] dummy0: entered promiscuous mode
[ 2282.737203][T12169] br0: port 1(dummy0) entered blocking state
[ 2282.737388][T12169] br0: port 1(dummy0) entered forwarding state
[ 2284.229449][   T70] dummy0: left allmulticast mode
[ 2284.231426][   T70] dummy0: left promiscuous mode
[ 2284.231629][   T70] br0: port 1(dummy0) entered disabled state