[ 2107.404424][T12022] br0: port 1(dummy0) entered blocking state
[ 2107.404771][T12022] br0: port 1(dummy0) entered disabled state
[ 2107.405125][T12022] dummy0: entered allmulticast mode
[ 2107.406314][T12022] dummy0: entered promiscuous mode
[ 2107.445122][T12023] br0: port 1(dummy0) entered blocking state
[ 2107.445543][T12023] br0: port 1(dummy0) entered forwarding state
[ 2109.930807][   T70] dummy0: left allmulticast mode
[ 2109.931613][   T70] dummy0: left promiscuous mode
[ 2109.931944][   T70] br0: port 1(dummy0) entered disabled state