I have the same problem with a Ubuntu custom image:
HTTP Request - /images/custom/amd64/ga-22.04/custom-jammy/no-such-image/boot-kernel
Marking node failed - Missing boot image custom/amd64/ga-22.04/custom-jammy.
I create the image the same way and have the exact same problems.
I have the same problem with a Ubuntu custom image: custom/ amd64/ga- 22.04/custom- jammy/no- such-image/ boot-kernel amd64/ga- 22.04/custom- jammy.
HTTP Request - /images/
Marking node failed - Missing boot image custom/
I create the image the same way and have the exact same problems.