zipl: A few fixes #1968

Job	Run time
Build (Fedora)	1m 18s
Build (C9S)	1m 41s
build-integration	4m 12s
Code style	39s
Build - FCOS minimal	1m 39s
Debian Stable with sign-ed25519 and FUSE 2	7m 46s
Debian Stable with curl, sign-ed25519, no gpgme, FUSE 3	7m 1s
Debian Stable 32 bit	7m 54s
Debian Stable without libsystemd	7m 21s
Debian Testing	7m 48s
Debian Testing with libsoup3	7m 21s
Debian stable + static-prepareroot	7m 23s
Ubuntu Latest Release	7m 24s
Privileged testing	44s
	1h 10m 11s

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