[ 2212.024288][T15628] br0: port 1(dummy0) entered blocking state
[ 2212.024531][T15628] br0: port 1(dummy0) entered disabled state
[ 2212.024754][T15628] dummy0: entered allmulticast mode
[ 2212.025859][T15628] dummy0: entered promiscuous mode
[ 2212.047737][T15629] br0: port 1(dummy0) entered blocking state
[ 2212.048038][T15629] br0: port 1(dummy0) entered forwarding state
[ 2214.075842][   T12] dummy0: left allmulticast mode
[ 2214.076268][   T12] dummy0: left promiscuous mode
[ 2214.076484][   T12] br0: port 1(dummy0) entered disabled state