[ 2186.285714][T22347] br0: port 1(dummy0) entered blocking state
[ 2186.285909][T22347] br0: port 1(dummy0) entered disabled state
[ 2186.286077][T22347] dummy0: entered allmulticast mode
[ 2186.287096][T22347] dummy0: entered promiscuous mode
[ 2186.312977][T22348] br0: port 1(dummy0) entered blocking state
[ 2186.313619][T22348] br0: port 1(dummy0) entered forwarding state
[ 2188.741327][   T66] dummy0: left allmulticast mode
[ 2188.741947][   T66] dummy0: left promiscuous mode
[ 2188.742404][   T66] br0: port 1(dummy0) entered disabled state