[ 2023.219185][T17282] br0: port 1(dummy0) entered blocking state
[ 2023.219386][T17282] br0: port 1(dummy0) entered disabled state
[ 2023.219561][T17282] dummy0: entered allmulticast mode
[ 2023.221443][T17282] dummy0: entered promiscuous mode
[ 2023.250472][T17283] br0: port 1(dummy0) entered blocking state
[ 2023.251082][T17283] br0: port 1(dummy0) entered forwarding state
[ 2025.286746][   T69] dummy0: left allmulticast mode
[ 2025.287470][   T69] dummy0: left promiscuous mode
[ 2025.287687][   T69] br0: port 1(dummy0) entered disabled state