[ 2219.306906][T27778] br0: port 1(dummy0) entered blocking state
[ 2219.307089][T27778] br0: port 1(dummy0) entered disabled state
[ 2219.307249][T27778] dummy0: entered allmulticast mode
[ 2219.308198][T27778] dummy0: entered promiscuous mode
[ 2219.335962][T27779] br0: port 1(dummy0) entered blocking state
[ 2219.336394][T27779] br0: port 1(dummy0) entered forwarding state
[ 2221.306003][   T69] dummy0: left allmulticast mode
[ 2221.306779][   T69] dummy0: left promiscuous mode
[ 2221.307080][   T69] br0: port 1(dummy0) entered disabled state