[ 2109.861289][T27211] br0: port 1(dummy0) entered blocking state
[ 2109.861525][T27211] br0: port 1(dummy0) entered disabled state
[ 2109.861748][T27211] dummy0: entered allmulticast mode
[ 2109.863071][T27211] dummy0: entered promiscuous mode
[ 2109.883420][T27212] br0: port 1(dummy0) entered blocking state
[ 2109.883654][T27212] br0: port 1(dummy0) entered forwarding state
[ 2111.746957][   T12] dummy0: left allmulticast mode
[ 2111.747207][   T12] dummy0: left promiscuous mode
[ 2111.747434][   T12] br0: port 1(dummy0) entered disabled state