[ 2326.323610][T19078] br0: port 1(dummy0) entered blocking state
[ 2326.324508][T19078] br0: port 1(dummy0) entered disabled state
[ 2326.330715][T19078] dummy0: entered allmulticast mode
[ 2326.331796][T19078] dummy0: entered promiscuous mode
[ 2326.359314][T19079] br0: port 1(dummy0) entered blocking state
[ 2326.359627][T19079] br0: port 1(dummy0) entered forwarding state
[ 2328.844929][   T12] dummy0: left allmulticast mode
[ 2328.845237][   T12] dummy0: left promiscuous mode
[ 2328.845601][   T12] br0: port 1(dummy0) entered disabled state