Like bug 1918692 (vmx_apic_passthrough_thread) this test failed with identical error:
Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/vmx_apic_passthrough_test'
BUILD_HEAD=32db322d
timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 --no-reboot -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel /tmp/tmp.8zX2XSFM96 -smp 1 -cpu max,+vmx -append vmx_apic_passthrough_test # -initrd /tmp/tmp.tJmeSbCtec
enabling apic
paging enabled
cr0 = 80010011
cr3 = 1007000
cr4 = 20
filter = vmx_apic_passthrough_test, test = test_vmx_feature_control
filter = vmx_apic_passthrough_test, test = test_vmxon
filter = vmx_apic_passthrough_test, test = test_vmptrld
filter = vmx_apic_passthrough_test, test = test_vmclear
filter = vmx_apic_passthrough_test, test = test_vmptrst
filter = vmx_apic_passthrough_test, test = test_vmwrite_vmread
filter = vmx_apic_passthrough_test, test = test_vmcs_high
filter = vmx_apic_passthrough_test, test = test_vmcs_lifecycle
filter = vmx_apic_passthrough_test, test = test_vmx_caps
filter = vmx_apic_passthrough_test, test = test_vmread_flags_touch
filter = vmx_apic_passthrough_test, test = test_vmwrite_flags_touch
filter = vmx_apic_passthrough_test, test = null
filter = vmx_apic_passthrough_test, test = vmenter
filter = vmx_apic_passthrough_test, test = preemption timer
filter = vmx_apic_passthrough_test, test = control field PAT
filter = vmx_apic_passthrough_test, test = control field EFER
filter = vmx_apic_passthrough_test, test = CR shadowing
filter = vmx_apic_passthrough_test, test = I/O bitmap
filter = vmx_apic_passthrough_test, test = instruction intercept
filter = vmx_apic_passthrough_test, test = EPT A/D disabled
filter = vmx_apic_passthrough_test, test = EPT A/D enabled
filter = vmx_apic_passthrough_test, test = PML
filter = vmx_apic_passthrough_test, test = VPID
filter = vmx_apic_passthrough_test, test = interrupt
filter = vmx_apic_passthrough_test, test = nmi_hlt
filter = vmx_apic_passthrough_test, test = debug controls
filter = vmx_apic_passthrough_test, test = MSR switch
filter = vmx_apic_passthrough_test, test = vmmcall
filter = vmx_apic_passthrough_test, test = disable RDTSCP
filter = vmx_apic_passthrough_test, test = int3
filter = vmx_apic_passthrough_test, test = into
filter = vmx_apic_passthrough_test, test = exit_monitor_from_l2_test
filter = vmx_apic_passthrough_test, test = invalid_msr
filter = vmx_apic_passthrough_test, test = v2_null_test
filter = vmx_apic_passthrough_test, test = v2_multiple_entries_test
filter = vmx_apic_passthrough_test, test = fixture_test_case1
filter = vmx_apic_passthrough_test, test = fixture_test_case2
filter = vmx_apic_passthrough_test, test = invvpid_test_v2
filter = vmx_apic_passthrough_test, test = vmx_controls_test
filter = vmx_apic_passthrough_test, test = vmx_host_state_area_test
filter = vmx_apic_passthrough_test, test = vmx_guest_state_area_test
filter = vmx_apic_passthrough_test, test = vmentry_movss_shadow_test
filter = vmx_apic_passthrough_test, test = vmentry_unrestricted_guest_test
filter = vmx_apic_passthrough_test, test = vmx_eoi_bitmap_ioapic_scan_test
filter = vmx_apic_passthrough_test, test = vmx_hlt_with_rvi_test
filter = vmx_apic_passthrough_test, test = apic_reg_virt_test
filter = vmx_apic_passthrough_test, test = virt_x2apic_mode_test
filter = vmx_apic_passthrough_test, test = vmx_apic_passthrough_test
Test suite: vmx_apic_passthrough_test
FAIL: x86/vmx_tests.c:9714: Assertion failed: (0) == ((int)ioapic_read_redir(0xf).remote_irr)
LHS: 000000000000000000 - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000 - 0
RHS: 0x0000000000000001 - 0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0000'0001 - 1
IOAPIC pass-through: remote_irr=0 after EOI
STACK: 40c5ad 40c5d5 402062 403ed7 400368
filter = vmx_apic_passthrough_test, test = vmx_apic_passthrough_thread_test
filter = vmx_apic_passthrough_test, test = vmx_apic_passthrough_tpr_threshold_test
filter = vmx_apic_passthrough_test, test = vmx_init_signal_test
filter = vmx_apic_passthrough_test, test = vmx_sipi_signal_test
filter = vmx_apic_passthrough_test, test = vmx_vmcs_shadow_test
filter = vmx_apic_passthrough_test, test = vmx_cr_load_test
filter = vmx_apic_passthrough_test, test = vmx_cr4_osxsave_test
filter = vmx_apic_passthrough_test, test = vmx_nm_test
filter = vmx_apic_passthrough_test, test = vmx_db_test
filter = vmx_apic_passthrough_test, test = vmx_nmi_window_test
filter = vmx_apic_passthrough_test, test = vmx_intr_window_test
filter = vmx_apic_passthrough_test, test = vmx_pending_event_test
filter = vmx_apic_passthrough_test, test = vmx_pending_event_hlt_test
filter = vmx_apic_passthrough_test, test = vmx_store_tsc_test
filter = vmx_apic_passthrough_test, test = vmx_preemption_timer_zero_test
filter = vmx_apic_passthrough_test, test = vmx_preemption_timer_tf_test
filter = vmx_apic_passthrough_test, test = vmx_preemption_timer_expiry_test
filter = vmx_apic_passthrough_test, test = ept_access_test_not_present
filter = vmx_apic_passthrough_test, test = ept_access_test_read_only
filter = vmx_apic_passthrough_test, test = ept_access_test_write_only
filter = vmx_apic_passthrough_test, test = ept_access_test_read_write
filter = vmx_apic_passthrough_test, test = ept_access_test_execute_only
filter = vmx_apic_passthrough_test, test = ept_access_test_read_execute
filter = vmx_apic_passthrough_test, test = ept_access_test_write_execute
filter = vmx_apic_passthrough_test, test = ept_access_test_read_write_execute
filter = vmx_apic_passthrough_test, test = ept_access_test_reserved_bits
filter = vmx_apic_passthrough_test, test = ept_access_test_ignored_bits
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_not_present_ad_disabled
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_not_present_ad_enabled
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_read_only_ad_disabled
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_read_only_ad_enabled
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_read_write
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_read_write_execute
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_read_execute_ad_disabled
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_read_execute_ad_enabled
filter = vmx_apic_passthrough_test, test = ept_access_test_paddr_not_present_page_fault
filter = vmx_apic_passthrough_test, test = ept_access_test_force_2m_page
filter = vmx_apic_passthrough_test, test = atomic_switch_max_msrs_test
filter = vmx_apic_passthrough_test, test = atomic_switch_overflow_msrs_test
filter = vmx_apic_passthrough_test, test = rdtsc_vmexit_diff_test
filter = vmx_apic_passthrough_test, test = vmx_mtf_test
filter = vmx_apic_passthrough_test, test = vmx_mtf_pdpte_test
SUMMARY: 9 tests, 1 unexpected failures
FAIL vmx_apic_passthrough_test (9 tests, 1 unexpected failures)
This sounds like some hardware related setup issue.
With kvm-unit-test repo updated to d8a4f9e5 (ci: Update the list of tests that we run in the Fedora Cirrus-CI), this test is still failing with the same error message.