[ 2026.096601][T13069] br0: port 1(dummy0) entered blocking state
[ 2026.096800][T13069] br0: port 1(dummy0) entered disabled state
[ 2026.096978][T13069] dummy0: entered allmulticast mode
[ 2026.098051][T13069] dummy0: entered promiscuous mode
[ 2026.126386][T13070] br0: port 1(dummy0) entered blocking state
[ 2026.126982][T13070] br0: port 1(dummy0) entered forwarding state
[ 2027.993031][   T12] dummy0: left allmulticast mode
[ 2027.993384][   T12] dummy0: left promiscuous mode
[ 2027.993602][   T12] br0: port 1(dummy0) entered disabled state