[ 2038.362815][ T4590] br0: port 1(dummy0) entered blocking state
[ 2038.363463][ T4590] br0: port 1(dummy0) entered disabled state
[ 2038.363689][ T4590] dummy0: entered allmulticast mode
[ 2038.364792][ T4590] dummy0: entered promiscuous mode
[ 2038.392136][ T4591] br0: port 1(dummy0) entered blocking state
[ 2038.392542][ T4591] br0: port 1(dummy0) entered forwarding state
[ 2040.238544][   T66] dummy0: left allmulticast mode
[ 2040.238738][   T66] dummy0: left promiscuous mode
[ 2040.238964][   T66] br0: port 1(dummy0) entered disabled state