[ 2204.022433][T27514] br0: port 1(dummy0) entered blocking state
[ 2204.022626][T27514] br0: port 1(dummy0) entered disabled state
[ 2204.022793][T27514] dummy0: entered allmulticast mode
[ 2204.023782][T27514] dummy0: entered promiscuous mode
[ 2204.048915][T27515] br0: port 1(dummy0) entered blocking state
[ 2204.049260][T27515] br0: port 1(dummy0) entered forwarding state
[ 2206.466851][   T70] dummy0: left allmulticast mode
[ 2206.467910][   T70] dummy0: left promiscuous mode
[ 2206.468143][   T70] br0: port 1(dummy0) entered disabled state