[ 2092.256210][T21148] br0: port 1(dummy0) entered blocking state
[ 2092.256414][T21148] br0: port 1(dummy0) entered disabled state
[ 2092.256589][T21148] dummy0: entered allmulticast mode
[ 2092.257629][T21148] dummy0: entered promiscuous mode
[ 2092.283293][T21149] br0: port 1(dummy0) entered blocking state
[ 2092.283858][T21149] br0: port 1(dummy0) entered forwarding state
[ 2094.741243][   T12] dummy0: left allmulticast mode
[ 2094.741606][   T12] dummy0: left promiscuous mode
[ 2094.741869][   T12] br0: port 1(dummy0) entered disabled state