Explicitly include python 3.11 versions of ec2imgutils and Azure SDK to avoid build issues.
Use keytable 'us' instead of 'us.map.gz'.
Switch from obsolete package nfsidmap to libnfsidmap1 in SLE 15 SP6.
Use systemd-sysvcompat in SLE 15 SP6 instead of systemd-sysvinit (package rename).
Fall back to locally assigned link-local IP address in case DHCP fails. This helps work around the issue that in EC2, instances in IPv6-only subnet do not have access to IMDS IPv6 endpoints by default.
Use suseconnect-ng instead of SUSEConnect in 15 SP1+. Drop zypper-migration-plugin from 15 SP1+.