[ 2031.897356][T31084] br0: port 1(dummy0) entered blocking state
[ 2031.897589][T31084] br0: port 1(dummy0) entered disabled state
[ 2031.897803][T31084] dummy0: entered allmulticast mode
[ 2031.899203][T31084] dummy0: entered promiscuous mode
[ 2031.928698][T31085] br0: port 1(dummy0) entered blocking state
[ 2031.929096][T31085] br0: port 1(dummy0) entered forwarding state
[ 2033.797081][   T12] dummy0: left allmulticast mode
[ 2033.797794][   T12] dummy0: left promiscuous mode
[ 2033.798027][   T12] br0: port 1(dummy0) entered disabled state