Version in base suite: 2.31-13+deb11u8

Base version: glibc_2.31-13+deb11u8

Target version: glibc_2.31-13+deb11u9

Base files: libc-bin-dbgsym_2.31-13+deb11u8_s390x.deb libc-bin_2.31-13+deb11u8_s390x.deb libc-dev-bin-dbgsym_2.31-13+deb11u8_s390x.deb libc-dev-bin_2.31-13+deb11u8_s390x.deb libc-devtools-dbgsym_2.31-13+deb11u8_s390x.deb libc-devtools_2.31-13+deb11u8_s390x.deb libc6-dbg_2.31-13+deb11u8_s390x.deb libc6-dev-s390_2.31-13+deb11u8_s390x.deb libc6-dev_2.31-13+deb11u8_s390x.deb libc6-s390-dbgsym_2.31-13+deb11u8_s390x.deb libc6-s390_2.31-13+deb11u8_s390x.deb libc6-udeb_2.31-13+deb11u8_s390x.udeb libc6_2.31-13+deb11u8_s390x.deb locales-all_2.31-13+deb11u8_s390x.deb nscd-dbgsym_2.31-13+deb11u8_s390x.deb nscd_2.31-13+deb11u8_s390x.deb

Target files: libc-bin-dbgsym_2.31-13+deb11u9_s390x.deb libc-bin_2.31-13+deb11u9_s390x.deb libc-dev-bin-dbgsym_2.31-13+deb11u9_s390x.deb libc-dev-bin_2.31-13+deb11u9_s390x.deb libc-devtools-dbgsym_2.31-13+deb11u9_s390x.deb libc-devtools_2.31-13+deb11u9_s390x.deb libc6-dbg_2.31-13+deb11u9_s390x.deb libc6-dev-s390_2.31-13+deb11u9_s390x.deb libc6-dev_2.31-13+deb11u9_s390x.deb libc6-s390-dbgsym_2.31-13+deb11u9_s390x.deb libc6-s390_2.31-13+deb11u9_s390x.deb libc6-udeb_2.31-13+deb11u9_s390x.udeb libc6_2.31-13+deb11u9_s390x.deb locales-all_2.31-13+deb11u9_s390x.deb nscd-dbgsym_2.31-13+deb11u9_s390x.deb nscd_2.31-13+deb11u9_s390x.deb

Postinst files of package libc6: lines which differ

if [ -n "$ver" ] && [ "$ver" != "2.31-13+deb11u8" "2.31-13+deb11u9" ]; then