[ 2090.054167][T14664] br0: port 1(dummy0) entered blocking state
[ 2090.054364][T14664] br0: port 1(dummy0) entered disabled state
[ 2090.054529][T14664] dummy0: entered allmulticast mode
[ 2090.055773][T14664] dummy0: entered promiscuous mode
[ 2090.080781][T14665] br0: port 1(dummy0) entered blocking state
[ 2090.081078][T14665] br0: port 1(dummy0) entered forwarding state
[ 2092.462121][   T12] dummy0: left allmulticast mode
[ 2092.465103][   T12] dummy0: left promiscuous mode
[ 2092.468035][   T12] br0: port 1(dummy0) entered disabled state