[ovirt-users] cannot add host to cluster - libvirt.libvirtError: internal error: unknown feature amd-sev-es

ovirt 4.4.8 standalone cluster cpu type: nehalem family ovirt host centos 8 stream ovirt gui info: Host CPU type is not supported in this cluster compatibility version or is not supported at all. vdsm.log 2021-08-30 11:30:58,600+0200 ERROR (jsonrpc/4) [root] Error while getting domain capabilities (machinetype:92) Traceback (most recent call last):   File "/usr/lib/python3.6/site-packages/vdsm/common/cache.py", line 41, in __call__     return self.cache[args] KeyError: () During handling of the above exception, another exception occurred: Traceback (most recent call last):   File "/usr/lib/python3.6/site-packages/vdsm/machinetype.py", line 90, in _get_domain_capabilities     domcaps = conn.getDomainCapabilities(None, arch, None, virt_type, 0)   File "/usr/lib/python3.6/site-packages/vdsm/common/libvirtconnection.py", line 131, in wrapper     ret = f(*args, **kwargs)   File "/usr/lib/python3.6/site-packages/vdsm/common/function.py", line 94, in wrapper     return func(inst, *args, **kwargs)   File "/usr/lib64/python3.6/site-packages/libvirt.py", line 4493, in getDomainCapabilities     raise libvirtError('virConnectGetDomainCapabilities() failed') libvirt.libvirtError: internal error: unknown feature amd-sev-es 2021-08-30 11:30:58,650+0200 ERROR (jsonrpc/4) [root] Error while getting CPU features: no domain capabilities found (machinetype:188) model name      : Intel(R) Xeon(R) CPU           E5504  @ 2.00GHz cat /sys/devices/cpu/caps/pmu_name nehalem  grep -E 'svm|vmx' /proc/cpuinfo | grep nx flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 popcnt lahf_lm pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid dtherm flush_l1d