[ 2173.172089][T24627] br0: port 1(dummy0) entered blocking state
[ 2173.172329][T24627] br0: port 1(dummy0) entered disabled state
[ 2173.172935][T24627] dummy0: entered allmulticast mode
[ 2173.173981][T24627] dummy0: entered promiscuous mode
[ 2173.204656][T24628] br0: port 1(dummy0) entered blocking state
[ 2173.204897][T24628] br0: port 1(dummy0) entered forwarding state
[ 2175.598276][   T70] dummy0: left allmulticast mode
[ 2175.599530][   T70] dummy0: left promiscuous mode
[ 2175.599813][   T70] br0: port 1(dummy0) entered disabled state