[ 2045.567276][T31512] br0: port 1(dummy0) entered blocking state
[ 2045.567484][T31512] br0: port 1(dummy0) entered disabled state
[ 2045.567666][T31512] dummy0: entered allmulticast mode
[ 2045.568960][T31512] dummy0: entered promiscuous mode
[ 2045.595114][T31513] br0: port 1(dummy0) entered blocking state
[ 2045.595436][T31513] br0: port 1(dummy0) entered forwarding state
[ 2047.473034][   T12] dummy0: left allmulticast mode
[ 2047.473330][   T12] dummy0: left promiscuous mode
[ 2047.473575][   T12] br0: port 1(dummy0) entered disabled state