[ 2092.250271][T22027] br0: port 1(dummy0) entered blocking state
[ 2092.250506][T22027] br0: port 1(dummy0) entered disabled state
[ 2092.250734][T22027] dummy0: entered allmulticast mode
[ 2092.251655][T22027] dummy0: entered promiscuous mode
[ 2092.274489][T22028] br0: port 1(dummy0) entered blocking state
[ 2092.274672][T22028] br0: port 1(dummy0) entered forwarding state
[ 2094.517124][   T67] dummy0: left allmulticast mode
[ 2094.517319][   T67] dummy0: left promiscuous mode
[ 2094.517547][   T67] br0: port 1(dummy0) entered disabled state