[ 2145.816719][T11917] br0: port 1(dummy0) entered blocking state
[ 2145.816921][T11917] br0: port 1(dummy0) entered disabled state
[ 2145.817089][T11917] dummy0: entered allmulticast mode
[ 2145.817993][T11917] dummy0: entered promiscuous mode
[ 2145.841010][T11918] br0: port 1(dummy0) entered blocking state
[ 2145.841233][T11918] br0: port 1(dummy0) entered forwarding state
[ 2147.682975][   T12] dummy0: left allmulticast mode
[ 2147.683174][   T12] dummy0: left promiscuous mode
[ 2147.683441][   T12] br0: port 1(dummy0) entered disabled state