[ 2064.729501][ T9982] br0: port 1(dummy0) entered blocking state
[ 2064.729684][ T9982] br0: port 1(dummy0) entered disabled state
[ 2064.729843][ T9982] dummy0: entered allmulticast mode
[ 2064.730806][ T9982] dummy0: entered promiscuous mode
[ 2064.753122][ T9983] br0: port 1(dummy0) entered blocking state
[ 2064.753453][ T9983] br0: port 1(dummy0) entered forwarding state
[ 2066.750410][   T12] dummy0: left allmulticast mode
[ 2066.751180][   T12] dummy0: left promiscuous mode
[ 2066.751442][   T12] br0: port 1(dummy0) entered disabled state