### Tracker validation #### Failed 🔴 Tracker [RHEL-55301](https://issues.redhat.com/browse/RHEL-55301) has not been approved #### Success 🟢 Tracker [RHEL-55301](https://issues.redhat.com/browse/RHEL-55301) has set desired product: `CentOS Stream 9` 🟢 Tracker [RHEL-55301](https://issues.redhat.com/browse/RHEL-55301) has set desired component: `systemd` > [!TIP] > > 🔵 Jira is approved if it has set Fix Version/s

### Pull Request validation #### Failed 🔴 Failed or pending checks - `ci (centos, 9)[failure]`,`Differential ShellCheck[failure]`,`build (GCC, openssl)[in_progress]`,`build (GCC, auto)[in_progress]`,`build (GCC_ASAN_UBSAN, auto)[in_progress]`,`build (CLANG_RELEASE, auto)[in_progress]`,`build (CLANG, gcrypt)[in_progress]`,`build (gcc, 12, gold, openssl)[in_progress]`,`build (CLANG, auto)[in_progress]`,`build (CLANG_ASAN_UBSAN_NO_DEPS, auto)[in_progress]`,`build (gcc, 11, bfd, gcrypt)[in_progress]`,`PR (undefined)[in_progress]`,`build (CLANG_ASAN_UBSAN, auto)[in_progress]`,`build (clang, 15, bfd, auto)[in_progress]`,`build (clang, 14, lld, openssl)[in_progress]`,`Analyze (python)[in_progress]`,`build (clang, 13, mold, gcrypt)[in_progress]`,`Analyze (cpp)[in_progress]` Failed or pending statuses - `CentOS CI (CentOS Stream 9)[pending]`,`CentOS CI (CentOS Stream 9 + sanitizers)[pending]` 🔴 Review - Missing review from a member

🔤 Set title to '(RHEL-55301) Don't GC unit if it is in another queue'

🔗 PR was linked with Jira issue [RHEL-55301](https://issues.redhat.com/browse/RHEL-55301)