virt-manager: server deprecated. use server=on instead

gistfile1.txt

  File "/nix/store/6cyl3ps85gqyhip6q13qqfz0j1vids8y-virt-manager-3.2.0/share/virt-manager/virtManager/asyncjob.py", line 65, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/nix/store/6cyl3ps85gqyhip6q13qqfz0j1vids8y-virt-manager-3.2.0/share/virt-manager/virtManager/createvm.py", line 2001, in _do_async_install
    installer.start_install(guest, meter=meter)
  File "/nix/store/6cyl3ps85gqyhip6q13qqfz0j1vids8y-virt-manager-3.2.0/share/virt-manager/virtinst/install/installer.py", line 701, in start_install
    domain = self._create_guest(
  File "/nix/store/6cyl3ps85gqyhip6q13qqfz0j1vids8y-virt-manager-3.2.0/share/virt-manager/virtinst/install/installer.py", line 649, in _create_guest
    domain = self.conn.createXML(install_xml or final_xml, 0)
  File "/nix/store/n0vl28m6pdmvwagyzfadw346411vj2zr-python3.8-libvirt-7.0.0/lib/python3.8/site-packages/libvirt.py", line 4366, in createXML
    raise libvirtError('virDomainCreateXML() failed')
libvirt.libvirtError: internal error: process exited while connecting to monitor: qemu-system-aarch64: -chardev socket,id=charmonitor,fd=31,server,nowait: warning: short-form boolean option 'server' deprecated
Please use server=on instead
qemu-system-aarch64: -chardev socket,id=charmonitor,fd=31,server,nowait: warning: short-form boolean option 'nowait' deprecated
Please use wait=off instead
qemu-system-aarch64: -chardev socket,id=charchannel0,fd=35,server,nowait: warning: short-form boolean option 'server' deprecated
Please use server=on instead
qemu-system-aarch64: -chardev socket,id=charchannel0,fd=35,server,nowait: warning: short-form boolean option 'nowait' deprecated
Please use wait=off instead
2021-05-18T21:05:03.662026Z qemu-system-aarch64: kvm_init_vcpu: kvm_arch_init_vcpu failed (0): Invalid argument