[ 2082.199299][T32290] br0: port 1(dummy0) entered blocking state
[ 2082.199546][T32290] br0: port 1(dummy0) entered disabled state
[ 2082.199777][T32290] dummy0: entered allmulticast mode
[ 2082.200883][T32290] dummy0: entered promiscuous mode
[ 2082.221157][T32291] br0: port 1(dummy0) entered blocking state
[ 2082.221606][T32291] br0: port 1(dummy0) entered forwarding state
[ 2084.059867][   T12] dummy0: left allmulticast mode
[ 2084.060171][   T12] dummy0: left promiscuous mode
[ 2084.060387][   T12] br0: port 1(dummy0) entered disabled state