Failed on T-4.4 as well, with slightly different error message:
 BUILD_HEAD=4671e4ba
 timeout -k 1s --foreground 30 /usr/bin/qemu-system-x86_64 -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.WrAftaGs4I -smp 1 -cpu host,+vmx -append vmx_host_state_area_test # -initrd /tmp/tmp.3XdRJ8sRFg
 enabling apic
 paging enabled
 cr0 = 80010011
 cr3 = 477000
 cr4 = 20

 Test suite: vmx_host_state_area_test
 PASS: HOST_CR0 80000021: vmlaunch succeeds
 PASS: HOST_CR0 80010030: vmlaunch fails
 FAIL: HOST_CR0 80010030: VMX inst error is 8 (actual 4)
 PASS: HOST_CR0 80010011: vmlaunch fails
 FAIL: HOST_CR0 80010011: VMX inst error is 8 (actual 4)
 PASS: HOST_CR0 10031: vmlaunch fails
 FAIL: HOST_CR0 10031: VMX inst error is 8 (actual 4)
 FAIL: HOST_CR4 2000: vmlaunch succeeds
 PASS: HOST_CR4 20: vmlaunch fails
 FAIL: HOST_CR4 20: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 10000477000: vmlaunch fails
 FAIL: HOST_CR3 10000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 20000477000: vmlaunch fails
 FAIL: HOST_CR3 20000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 40000477000: vmlaunch fails
 FAIL: HOST_CR3 40000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 80000477000: vmlaunch fails
 FAIL: HOST_CR3 80000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 100000477000: vmlaunch fails
 FAIL: HOST_CR3 100000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 200000477000: vmlaunch fails
 FAIL: HOST_CR3 200000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 400000477000: vmlaunch fails
 FAIL: HOST_CR3 400000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 800000477000: vmlaunch fails
 FAIL: HOST_CR3 800000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 1000000477000: vmlaunch fails
 FAIL: HOST_CR3 1000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 2000000477000: vmlaunch fails
 FAIL: HOST_CR3 2000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 4000000477000: vmlaunch fails
 FAIL: HOST_CR3 4000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 8000000477000: vmlaunch fails
 FAIL: HOST_CR3 8000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 10000000477000: vmlaunch fails
 FAIL: HOST_CR3 10000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 20000000477000: vmlaunch fails
 FAIL: HOST_CR3 20000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 40000000477000: vmlaunch fails
 FAIL: HOST_CR3 40000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 80000000477000: vmlaunch fails
 FAIL: HOST_CR3 80000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 100000000477000: vmlaunch fails
 FAIL: HOST_CR3 100000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 200000000477000: vmlaunch fails
 FAIL: HOST_CR3 200000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 400000000477000: vmlaunch fails
 FAIL: HOST_CR3 400000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 800000000477000: vmlaunch fails
 FAIL: HOST_CR3 800000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 1000000000477000: vmlaunch fails
 FAIL: HOST_CR3 1000000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 2000000000477000: vmlaunch fails
 FAIL: HOST_CR3 2000000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 4000000000477000: vmlaunch fails
 FAIL: HOST_CR3 4000000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_CR3 8000000000477000: vmlaunch fails
 FAIL: HOST_CR3 8000000000477000: VMX inst error is 8 (actual 4)
 PASS: HOST_SYSENTER_ESP non-canonical: vmlaunch fails
 FAIL: HOST_SYSENTER_ESP non-canonical: VMX inst error is 8 (actual 4)
 FAIL: HOST_SYSENTER_ESP canonical: vmlaunch succeeds
 PASS: HOST_SYSENTER_EIP non-canonical: vmlaunch fails
 FAIL: HOST_SYSENTER_EIP non-canonical: VMX inst error is 8 (actual 4)
 FAIL: HOST_SYSENTER_EIP canonical: vmlaunch succeeds
 SUMMARY: 65 tests, 33 unexpected failures
 FAIL vmx_host_state_area (65 tests, 33 unexpected failures)