Thanks Han for your quick response.
1. Virsh dumpxml VM from source host machine.
2, Attachments are the CPU capability information from both source and destination host machine.
<cpu>
<arch>x86_64</arch>
<model>Haswell-noTSX-IBRS</model>
<vendor>Intel</vendor>
<microcode version="68"/>
<counter name="tsc" frequency="2294685000" scaling="no"/>
<topology sockets="1" dies="1" cores="18" threads="2"/>
<feature name="vme"/>
<feature name="ds"/>
<feature name="acpi"/>
<feature name="ss"/>
<feature name="ht"/>
<feature name="tm"/>
<feature name="pbe"/>
<feature name="dtes64"/>
<feature name="monitor"/>
<feature name="ds_cpl"/>
<feature name="vmx"/>
<feature name="smx"/>
<feature name="est"/>
<feature name="tm2"/>
<feature name="xtpr"/>
<feature name="pdcm"/>
<feature name="dca"/>
<feature name="osxsave"/>
<feature name="f16c"/>
<feature name="rdrand"/>
<feature name="arat"/>
<feature name="tsc_adjust"/>
<feature name="cmt"/>
<feature name="md-clear"/>
<feature name="stibp"/>
<feature name="ssbd"/>
<feature name="xsaveopt"/>
<feature name="pdpe1gb"/>
<feature name="abm"/>
<feature name="invtsc"/>
<pages unit="KiB" size="4"/>
<pages unit="KiB" size="2048"/>
<pages unit="KiB" size="1048576"/>
</cpu><cpu id="0" socket_id="0" die_id="0" core_id="0" siblings="0,36"/><cpu id="1" socket_id="0" die_id="0" core_id="1" siblings="1,37"/><cpu id="2" socket_id="0" die_id="0" core_id="2" siblings="2,38"/><cpu id="3" socket_id="0" die_id="0" core_id="3" siblings="3,39"/><cpu id="4" socket_id="0" die_id="0" core_id="4" siblings="4,40"/><cpu id="5" socket_id="0" die_id="0" core_id="8" siblings="5,41"/><cpu id="6" socket_id="0" die_id="0" core_id="9" siblings="6,42"/><cpu id="7" socket_id="0" die_id="0" core_id="10" siblings="7,43"/><cpu id="8" socket_id="0" die_id="0" core_id="11" siblings="8,44"/><cpu id="9" socket_id="0" die_id="0" core_id="16" siblings="9,45"/><cpu id="10" socket_id="0" die_id="0" core_id="17" siblings="10,46"/><cpu id="11" socket_id="0" die_id="0" core_id="18" siblings="11,47"/><cpu id="12" socket_id="0" die_id="0" core_id="19" siblings="12,48"/><cpu id="13" socket_id="0" die_id="0" core_id="20" siblings="13,49"/><cpu id="14" socket_id="0" die_id="0" core_id="24" siblings="14,50"/><cpu id="15" socket_id="0" die_id="0" core_id="25" siblings="15,51"/><cpu id="16" socket_id="0" die_id="0" core_id="26" siblings="16,52"/><cpu id="17" socket_id="0" die_id="0" core_id="27" siblings="17,53"/><cpu id="36" socket_id="0" die_id="0" core_id="0" siblings="0,36"/><cpu id="37" socket_id="0" die_id="0" core_id="1" siblings="1,37"/><cpu id="38" socket_id="0" die_id="0" core_id="2" siblings="2,38"/><cpu id="39" socket_id="0" die_id="0" core_id="3" siblings="3,39"/><cpu id="40" socket_id="0" die_id="0" core_id="4" siblings="4,40"/><cpu id="41" socket_id="0" die_id="0" core_id="8" siblings="5,41"/><cpu id="42" socket_id="0" die_id="0" core_id="9" siblings="6,42"/><cpu id="43" socket_id="0" die_id="0" core_id="10" siblings="7,43"/><cpu id="44" socket_id="0" die_id="0" core_id="11" siblings="8,44"/><cpu id="45" socket_id="0" die_id="0" core_id="16" siblings="9,45"/><cpu id="46" socket_id="0" die_id="0" core_id="17" siblings="10,46"/><cpu id="47" socket_id="0" die_id="0" core_id="18" siblings="11,47"/><cpu id="48" socket_id="0" die_id="0" core_id="19" siblings="12,48"/><cpu id="49" socket_id="0" die_id="0" core_id="20" siblings="13,49"/><cpu id="50" socket_id="0" die_id="0" core_id="24" siblings="14,50"/><cpu id="51" socket_id="0" die_id="0" core_id="25" siblings="15,51"/><cpu id="52" socket_id="0" die_id="0" core_id="26" siblings="16,52"/><cpu id="53" socket_id="0" die_id="0" core_id="27" siblings="17,53"/><cpu id="18" socket_id="1" die_id="0" core_id="0" siblings="18,54"/><cpu id="19" socket_id="1" die_id="0" core_id="1" siblings="19,55"/><cpu id="20" socket_id="1" die_id="0" core_id="2" siblings="20,56"/><cpu id="21" socket_id="1" die_id="0" core_id="3" siblings="21,57"/><cpu id="22" socket_id="1" die_id="0" core_id="4" siblings="22,58"/><cpu id="23" socket_id="1" die_id="0" core_id="8" siblings="23,59"/><cpu id="24" socket_id="1" die_id="0" core_id="9" siblings="24,60"/><cpu id="25" socket_id="1" die_id="0" core_id="10" siblings="25,61"/><cpu id="26" socket_id="1" die_id="0" core_id="11" siblings="26,62"/><cpu id="27" socket_id="1" die_id="0" core_id="16" siblings="27,63"/><cpu id="28" socket_id="1" die_id="0" core_id="17" siblings="28,64"/><cpu id="29" socket_id="1" die_id="0" core_id="18" siblings="29,65"/><cpu id="30" socket_id="1" die_id="0" core_id="19" siblings="30,66"/><cpu id="31" socket_id="1" die_id="0" core_id="20" siblings="31,67"/><cpu id="32" socket_id="1" die_id="0" core_id="24" siblings="32,68"/><cpu id="33" socket_id="1" die_id="0" core_id="25" siblings="33,69"/><cpu id="34" socket_id="1" die_id="0" core_id="26" siblings="34,70"/><cpu id="35" socket_id="1" die_id="0" core_id="27" siblings="35,71"/><cpu id="54" socket_id="1" die_id="0" core_id="0" siblings="18,54"/><cpu id="55" socket_id="1" die_id="0" core_id="1" siblings="19,55"/><cpu id="56" socket_id="1" die_id="0" core_id="2" siblings="20,56"/><cpu id="57" socket_id="1" die_id="0" core_id="3" siblings="21,57"/><cpu id="58" socket_id="1" die_id="0" core_id="4" siblings="22,58"/><cpu id="59" socket_id="1" die_id="0" core_id="8" siblings="23,59"/><cpu id="60" socket_id="1" die_id="0" core_id="9" siblings="24,60"/><cpu id="61" socket_id="1" die_id="0" core_id="10" siblings="25,61"/><cpu id="62" socket_id="1" die_id="0" core_id="11" siblings="26,62"/><cpu id="63" socket_id="1" die_id="0" core_id="16" siblings="27,63"/><cpu id="64" socket_id="1" die_id="0" core_id="17" siblings="28,64"/><cpu id="65" socket_id="1" die_id="0" core_id="18" siblings="29,65"/><cpu id="66" socket_id="1" die_id="0" core_id="19" siblings="30,66"/><cpu id="67" socket_id="1" die_id="0" core_id="20" siblings="31,67"/><cpu id="68" socket_id="1" die_id="0" core_id="24" siblings="32,68"/><cpu id="69" socket_id="1" die_id="0" core_id="25" siblings="33,69"/><cpu id="70" socket_id="1" die_id="0" core_id="26" siblings="34,70"/><cpu id="71" socket_id="1" die_id="0" core_id="27" siblings="35,71"/><cpu>
<arch>x86_64</arch>
<model>Haswell-noTSX-IBRS</model>
<vendor>Intel</vendor>
<microcode version="68"/>
<counter name="tsc" frequency="2299998000" scaling="no"/>
<topology sockets="1" dies="1" cores="18" threads="2"/>
<feature name="vme"/>
<feature name="ds"/>
<feature name="acpi"/>
<feature name="ss"/>
<feature name="ht"/>
<feature name="tm"/>
<feature name="pbe"/>
<feature name="dtes64"/>
<feature name="monitor"/>
<feature name="ds_cpl"/>
<feature name="vmx"/>
<feature name="smx"/>
<feature name="est"/>
<feature name="tm2"/>
<feature name="xtpr"/>
<feature name="pdcm"/>
<feature name="dca"/>
<feature name="osxsave"/>
<feature name="f16c"/>
<feature name="rdrand"/>
<feature name="arat"/>
<feature name="tsc_adjust"/>
<feature name="cmt"/>
<feature name="md-clear"/>
<feature name="stibp"/>
<feature name="ssbd"/>
<feature name="xsaveopt"/>
<feature name="pdpe1gb"/>
<feature name="abm"/>
<feature name="invtsc"/>
<pages unit="KiB" size="4"/>
<pages unit="KiB" size="2048"/>
<pages unit="KiB" size="1048576"/>
</cpu><cpu id="0" socket_id="0" die_id="0" core_id="0" siblings="0,36"/><cpu id="1" socket_id="0" die_id="0" core_id="1" siblings="1,37"/><cpu id="2" socket_id="0" die_id="0" core_id="2" siblings="2,38"/><cpu id="3" socket_id="0" die_id="0" core_id="3" siblings="3,39"/><cpu id="4" socket_id="0" die_id="0" core_id="4" siblings="4,40"/><cpu id="5" socket_id="0" die_id="0" core_id="8" siblings="5,41"/><cpu id="6" socket_id="0" die_id="0" core_id="9" siblings="6,42"/><cpu id="7" socket_id="0" die_id="0" core_id="10" siblings="7,43"/><cpu id="8" socket_id="0" die_id="0" core_id="11" siblings="8,44"/><cpu id="9" socket_id="0" die_id="0" core_id="16" siblings="9,45"/><cpu id="10" socket_id="0" die_id="0" core_id="17" siblings="10,46"/><cpu id="11" socket_id="0" die_id="0" core_id="18" siblings="11,47"/><cpu id="12" socket_id="0" die_id="0" core_id="19" siblings="12,48"/><cpu id="13" socket_id="0" die_id="0" core_id="20" siblings="13,49"/><cpu id="14" socket_id="0" die_id="0" core_id="24" siblings="14,50"/><cpu id="15" socket_id="0" die_id="0" core_id="25" siblings="15,51"/><cpu id="16" socket_id="0" die_id="0" core_id="26" siblings="16,52"/><cpu id="17" socket_id="0" die_id="0" core_id="27" siblings="17,53"/><cpu id="36" socket_id="0" die_id="0" core_id="0" siblings="0,36"/><cpu id="37" socket_id="0" die_id="0" core_id="1" siblings="1,37"/><cpu id="38" socket_id="0" die_id="0" core_id="2" siblings="2,38"/><cpu id="39" socket_id="0" die_id="0" core_id="3" siblings="3,39"/><cpu id="40" socket_id="0" die_id="0" core_id="4" siblings="4,40"/><cpu id="41" socket_id="0" die_id="0" core_id="8" siblings="5,41"/><cpu id="42" socket_id="0" die_id="0" core_id="9" siblings="6,42"/><cpu id="43" socket_id="0" die_id="0" core_id="10" siblings="7,43"/><cpu id="44" socket_id="0" die_id="0" core_id="11" siblings="8,44"/><cpu id="45" socket_id="0" die_id="0" core_id="16" siblings="9,45"/><cpu id="46" socket_id="0" die_id="0" core_id="17" siblings="10,46"/><cpu id="47" socket_id="0" die_id="0" core_id="18" siblings="11,47"/><cpu id="48" socket_id="0" die_id="0" core_id="19" siblings="12,48"/><cpu id="49" socket_id="0" die_id="0" core_id="20" siblings="13,49"/><cpu id="50" socket_id="0" die_id="0" core_id="24" siblings="14,50"/><cpu id="51" socket_id="0" die_id="0" core_id="25" siblings="15,51"/><cpu id="52" socket_id="0" die_id="0" core_id="26" siblings="16,52"/><cpu id="53" socket_id="0" die_id="0" core_id="27" siblings="17,53"/><cpu id="18" socket_id="1" die_id="0" core_id="0" siblings="18,54"/><cpu id="19" socket_id="1" die_id="0" core_id="1" siblings="19,55"/><cpu id="20" socket_id="1" die_id="0" core_id="2" siblings="20,56"/><cpu id="21" socket_id="1" die_id="0" core_id="3" siblings="21,57"/><cpu id="22" socket_id="1" die_id="0" core_id="4" siblings="22,58"/><cpu id="23" socket_id="1" die_id="0" core_id="8" siblings="23,59"/><cpu id="24" socket_id="1" die_id="0" core_id="9" siblings="24,60"/><cpu id="25" socket_id="1" die_id="0" core_id="10" siblings="25,61"/><cpu id="26" socket_id="1" die_id="0" core_id="11" siblings="26,62"/><cpu id="27" socket_id="1" die_id="0" core_id="16" siblings="27,63"/><cpu id="28" socket_id="1" die_id="0" core_id="17" siblings="28,64"/><cpu id="29" socket_id="1" die_id="0" core_id="18" siblings="29,65"/><cpu id="30" socket_id="1" die_id="0" core_id="19" siblings="30,66"/><cpu id="31" socket_id="1" die_id="0" core_id="20" siblings="31,67"/><cpu id="32" socket_id="1" die_id="0" core_id="24" siblings="32,68"/><cpu id="33" socket_id="1" die_id="0" core_id="25" siblings="33,69"/><cpu id="34" socket_id="1" die_id="0" core_id="26" siblings="34,70"/><cpu id="35" socket_id="1" die_id="0" core_id="27" siblings="35,71"/><cpu id="54" socket_id="1" die_id="0" core_id="0" siblings="18,54"/><cpu id="55" socket_id="1" die_id="0" core_id="1" siblings="19,55"/><cpu id="56" socket_id="1" die_id="0" core_id="2" siblings="20,56"/><cpu id="57" socket_id="1" die_id="0" core_id="3" siblings="21,57"/><cpu id="58" socket_id="1" die_id="0" core_id="4" siblings="22,58"/><cpu id="59" socket_id="1" die_id="0" core_id="8" siblings="23,59"/><cpu id="60" socket_id="1" die_id="0" core_id="9" siblings="24,60"/><cpu id="61" socket_id="1" die_id="0" core_id="10" siblings="25,61"/><cpu id="62" socket_id="1" die_id="0" core_id="11" siblings="26,62"/><cpu id="63" socket_id="1" die_id="0" core_id="16" siblings="27,63"/><cpu id="64" socket_id="1" die_id="0" core_id="17" siblings="28,64"/><cpu id="65" socket_id="1" die_id="0" core_id="18" siblings="29,65"/><cpu id="66" socket_id="1" die_id="0" core_id="19" siblings="30,66"/><cpu id="67" socket_id="1" die_id="0" core_id="20" siblings="31,67"/><cpu id="68" socket_id="1" die_id="0" core_id="24" siblings="32,68"/><cpu id="69" socket_id="1" die_id="0" core_id="25" siblings="33,69"/><cpu id="70" socket_id="1" die_id="0" core_id="26" siblings="34,70"/><cpu id="71" socket_id="1" die_id="0" core_id="27" siblings="35,71"/>
