[ 2034.198030][T11963] br0: port 1(dummy0) entered blocking state
[ 2034.198235][T11963] br0: port 1(dummy0) entered disabled state
[ 2034.198416][T11963] dummy0: entered allmulticast mode
[ 2034.199785][T11963] dummy0: entered promiscuous mode
[ 2034.234581][T11964] br0: port 1(dummy0) entered blocking state
[ 2034.234865][T11964] br0: port 1(dummy0) entered forwarding state
[ 2036.231945][   T70] dummy0: left allmulticast mode
[ 2036.232237][   T70] dummy0: left promiscuous mode
[ 2036.232464][   T70] br0: port 1(dummy0) entered disabled state