1, Capture DEBUG for QEMU & libvirt but only WARN + ERROR for the rest, modify the file /etc/libvirt/libvirtd.conflog_filters="1:qemu 1:libvirt 3:security 3:event 3:util 3:file"log_outputs="1:file:/var/log/libvirt/libvirtd.log"12122, To log all libvirt API calls, export (/etc/default/libvirt-bin):LIBVIRT_DEBUG=1LIBVIRT_LOG_FILTERS="1:qemu"LIBVIRT_LOG_OUTPUTS="1:journald 1:file:virsh.log"1231233, sudo service libvirt-bin restart /var/log/libvirt/qemu/instance-00000002.log /var/log/libvirt/libvirtd.logObserve any arbitrary QMP events#sudo virsh qemu-monitor-commandinstance-00000002--pretty'{"exe
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