[ 2070.231309][T14744] br0: port 1(dummy0) entered blocking state
[ 2070.231500][T14744] br0: port 1(dummy0) entered disabled state
[ 2070.231666][T14744] dummy0: entered allmulticast mode
[ 2070.232800][T14744] dummy0: entered promiscuous mode
[ 2070.255915][T14745] br0: port 1(dummy0) entered blocking state
[ 2070.256093][T14745] br0: port 1(dummy0) entered forwarding state
[ 2072.279841][   T70] dummy0: left allmulticast mode
[ 2072.280798][   T70] dummy0: left promiscuous mode
[ 2072.281092][   T70] br0: port 1(dummy0) entered disabled state