: If your host CPU usage is too high, try setting the halt_poll_ns=0 parameter on your Linux host to prevent the guest from busy-spinning.
: The hypervisor requires the disk image to be named virtioa.qcow2 : mv csr1000v-ucmk9.16.12.1b-serial.qcow2 virtioa.qcow2 . csr1000vucmk916121bserialqcow2 repack best
: Use an SFTP client like WinSCP or FileZilla to transfer the original csr1000v-ucmk9.16.12.1b-serial.qcow2 into that new folder. : If your host CPU usage is too