[ 2095.984802][T18388] br0: port 1(dummy0) entered blocking state
[ 2095.985014][T18388] br0: port 1(dummy0) entered disabled state
[ 2095.985190][T18388] dummy0: entered allmulticast mode
[ 2095.986104][T18388] dummy0: entered promiscuous mode
[ 2096.009171][T18389] br0: port 1(dummy0) entered blocking state
[ 2096.009712][T18389] br0: port 1(dummy0) entered forwarding state
[ 2098.032367][   T12] dummy0: left allmulticast mode
[ 2098.033187][   T12] dummy0: left promiscuous mode
[ 2098.033474][   T12] br0: port 1(dummy0) entered disabled state