[ 2085.785878][ T7832] br0: port 1(dummy0) entered blocking state
[ 2085.786105][ T7832] br0: port 1(dummy0) entered disabled state
[ 2085.786333][ T7832] dummy0: entered allmulticast mode
[ 2085.787283][ T7832] dummy0: entered promiscuous mode
[ 2085.811375][ T7833] br0: port 1(dummy0) entered blocking state
[ 2085.811548][ T7833] br0: port 1(dummy0) entered forwarding state
[ 2087.838742][   T71] dummy0: left allmulticast mode
[ 2087.838986][   T71] dummy0: left promiscuous mode
[ 2087.839278][   T71] br0: port 1(dummy0) entered disabled state