Tried dup to 15.5, but got a nasty error:
leap154:~ # journalctl -q -u dup --identifier zypper|tail -33
Jun 08 11:15:29 leap154 zypper[3570]: (379/762) Installieren: perl-5.26.1-150300.17.3.1.x86_64 [.............fertig]
Jun 08 11:15:29 leap154 zypper[3570]: (380/762) Installieren: perl-core-DB_File-5.26.1-150300.17.3.1.x86_64 [..fertig]
Jun 08 11:15:29 leap154 zypper[3570]: (381/762) Installieren: libserf-1-1-1.3.9-2.31.x86_64 [..fertig]
Jun 08 11:15:29 leap154 zypper[3570]: (382/762) Installieren: python3-gobject-cairo-3.42.0-150400.1.48.x86_64 [..fertig]
Jun 08 11:15:29 leap154 zypper[3570]: (383/762) Installieren: python3-firewall-0.9.3-150400.7.6.noarch [...fertig]
Jun 08 11:15:29 leap154 zypper[3570]: (384/762) Installieren: python3-cryptography-2.8-10.1.x86_64 [...fertig]
Jun 08 11:15:29 leap154 zypper[3570]: (385/762) Installieren: python3-bind-9.16.20-150400.3.6.noarch [..
Jun 08 11:15:29 leap154 zypper[3570]: error: unpacking of archive failed on file /usr/lib/python3.6/site-packages/isc-2.0-py3.6.egg-info: cpio: File from package already exists as a directory in system
Jun 08 11:15:29 leap154 zypper[3570]: error: python3-bind-9.16.20-150400.3.6.noarch: install failed
Jun 08 11:15:29 leap154 zypper[3570]: error: python3-bind-9.16.38-150400.5.20.2.noarch: erase skipped
Jun 08 11:15:29 leap154 zypper[3570]: Fehler]
Jun 08 11:15:29 leap154 zypper[3570]: Installation von python3-bind-9.16.20-150400.3.6.noarch fehlgeschlagen:
Jun 08 11:15:29 leap154 zypper[3570]: Fehler: Subprocess failed. Error: RPM fehlgeschlagen: Kommando mit Status 1 beendet.
Jun 08 11:15:29 leap154 zypper[3570]: Abbrechen, wiederholen, ignorieren? [a/w/i] (a): a
Jun 08 11:15:29 leap154 zypper[3570]: Warnung: %posttrans scripts skipped while aborting:
Jun 08 11:15:29 leap154 zypper[3570]: ca-certificates-mozilla-2.44-21.1.noarch.rpm
Jun 08 11:15:29 leap154 zypper[3570]: login_defs-4.8.1-150400.8.57.noarch.rpm
Jun 08 11:15:29 leap154 zypper[3570]: systemd-presets-common-SUSE-15-150100.8.12.1.noarch.rpm
Jun 08 11:15:29 leap154 zypper[3570]: ucode-amd-20220119-150400.2.3.noarch.rpm
Jun 08 11:15:29 leap154 zypper[3570]: ucode-intel-20220207-10.1.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: sg3_utils-1.47+4.82fb156-150400.1.11.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: e2fsprogs-1.46.4-150400.1.80.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: rpm-4.14.3-150300.46.1.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: shadow-4.8.1-150400.8.57.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: kbd-2.4.0-150400.3.5.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: dbus-1-1.12.2-150400.16.52.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: util-linux-2.37.2-150400.6.26.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: java-11-openjdk-headless-11.0.15.0-150000.3.80.1.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: openSUSE-release-15.4-lp154.153.1.x86_64.rpm
Jun 08 11:15:29 leap154 zypper[3570]: udev-249.11-150400.6.8.x86_64.rpm
Jun 08 11:15:30 leap154 zypper[3570]: Während oder nach der Installation/dem Entfernung von Paketen ist ein Problem aufgetreten:
Jun 08 11:15:30 leap154 zypper[3570]: Die Installation wurde gemäß Anweisung abgebrochen.
Jun 08 11:15:30 leap154 zypper[3570]: In der Fehlermeldung oben finden Sie einen entsprechenden Hinweis.
leap154:~ #
Upon zypper failing it’s broken:
leap154:~ # zypper
zypper: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.30' not found (required by /usr/lib64/libzypp.so.1722)
leap154:~ #
Rollback required.