I've installed the tools and flasher packages, as well as the sample images + configs, and I don't see them in my boot menu. Instead I am offered to boot from Internal Flash, eMMC, SD, etc. Here is the output of the u-boot-update-bootmenu script: Configuration file: /etc/bootmenu.d/backupmenu.item cannot open /dev/null another udev daemon already running
Configuration file: /etc/bootmenu.d/backupmenu.item cannot open /dev/null another udev daemon already running