[ 1998.574007][T28202] br0: port 1(dummy0) entered blocking state
[ 1998.574246][T28202] br0: port 1(dummy0) entered disabled state
[ 1998.574488][T28202] dummy0: entered allmulticast mode
[ 1998.575781][T28202] dummy0: entered promiscuous mode
[ 1998.602963][T28203] br0: port 1(dummy0) entered blocking state
[ 1998.603240][T28203] br0: port 1(dummy0) entered forwarding state
[ 2000.642044][   T68] dummy0: left allmulticast mode
[ 2000.642343][   T68] dummy0: left promiscuous mode
[ 2000.642584][   T68] br0: port 1(dummy0) entered disabled state