[ 2108.176159][T15640] br0: port 1(dummy0) entered blocking state
[ 2108.176359][T15640] br0: port 1(dummy0) entered disabled state
[ 2108.176516][T15640] dummy0: entered allmulticast mode
[ 2108.177701][T15640] dummy0: entered promiscuous mode
[ 2108.206421][T15641] br0: port 1(dummy0) entered blocking state
[ 2108.206725][T15641] br0: port 1(dummy0) entered forwarding state
[ 2110.212987][   T12] dummy0: left allmulticast mode
[ 2110.213750][   T12] dummy0: left promiscuous mode
[ 2110.214324][   T12] br0: port 1(dummy0) entered disabled state