I see the same issue in the reverse case, Ubuntu Core 18 system and a snap with a core16 base. Even more, it looks like /lib/firmware is also bad for snaps with core18 base in UC18.
I see the same issue in the reverse case, Ubuntu Core 18 system and a snap with a core16 base. Even more, it looks like /lib/firmware is also bad for snaps with core18 base in UC18.