[ 2246.447675][T22095] br0: port 1(dummy0) entered blocking state
[ 2246.447869][T22095] br0: port 1(dummy0) entered disabled state
[ 2246.448041][T22095] dummy0: entered allmulticast mode
[ 2246.448920][T22095] dummy0: entered promiscuous mode
[ 2246.480516][T22096] br0: port 1(dummy0) entered blocking state
[ 2246.480727][T22096] br0: port 1(dummy0) entered forwarding state
[ 2248.748807][   T71] dummy0: left allmulticast mode
[ 2248.749693][   T71] dummy0: left promiscuous mode
[ 2248.749930][   T71] br0: port 1(dummy0) entered disabled state