You could add cabernet as a depends_on for Jellyfin. To ensure it is up before Jellyfin starts. I'm ASSUMING the issue is that Jellyfin starts before cabernet.
Jellyfin 10.10.0 (Docker)
Ubuntu 24.04 LTS
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)