[ 2190.437123][T23359] br0: port 1(dummy0) entered blocking state
[ 2190.437316][T23359] br0: port 1(dummy0) entered disabled state
[ 2190.437487][T23359] dummy0: entered allmulticast mode
[ 2190.438486][T23359] dummy0: entered promiscuous mode
[ 2190.458892][T23360] br0: port 1(dummy0) entered blocking state
[ 2190.459179][T23360] br0: port 1(dummy0) entered forwarding state
[ 2192.394338][   T68] dummy0: left allmulticast mode
[ 2192.394654][   T68] dummy0: left promiscuous mode
[ 2192.394873][   T68] br0: port 1(dummy0) entered disabled state