[ 2311.799556][T22552] br0: port 1(dummy0) entered blocking state
[ 2311.799793][T22552] br0: port 1(dummy0) entered disabled state
[ 2311.800018][T22552] dummy0: entered allmulticast mode
[ 2311.801279][T22552] dummy0: entered promiscuous mode
[ 2311.842514][T22553] br0: port 1(dummy0) entered blocking state
[ 2311.842887][T22553] br0: port 1(dummy0) entered forwarding state
[ 2314.212832][   T71] dummy0: left allmulticast mode
[ 2314.213757][   T71] dummy0: left promiscuous mode
[ 2314.214011][   T71] br0: port 1(dummy0) entered disabled state