[ 2131.412391][T17270] br0: port 1(dummy0) entered blocking state
[ 2131.412605][T17270] br0: port 1(dummy0) entered disabled state
[ 2131.412789][T17270] dummy0: entered allmulticast mode
[ 2131.413941][T17270] dummy0: entered promiscuous mode
[ 2131.437321][T17271] br0: port 1(dummy0) entered blocking state
[ 2131.437593][T17271] br0: port 1(dummy0) entered forwarding state
[ 2133.458693][   T12] dummy0: left allmulticast mode
[ 2133.458980][   T12] dummy0: left promiscuous mode
[ 2133.459196][   T12] br0: port 1(dummy0) entered disabled state