[ 2210.740897][T32116] br0: port 1(dummy0) entered blocking state
[ 2210.741218][T32116] br0: port 1(dummy0) entered disabled state
[ 2210.741505][T32116] dummy0: entered allmulticast mode
[ 2210.742893][T32116] dummy0: entered promiscuous mode
[ 2210.775013][T32117] br0: port 1(dummy0) entered blocking state
[ 2210.775472][T32117] br0: port 1(dummy0) entered forwarding state
[ 2213.175799][   T12] dummy0: left allmulticast mode
[ 2213.177089][   T12] dummy0: left promiscuous mode
[ 2213.177687][   T12] br0: port 1(dummy0) entered disabled state