В командной строке Windows я запускаю vagrant up debian --provider hyperv

И это терпит неудачу с загадочной ошибкой

An error occurred while executing a PowerShell script. This error
is shown below. Please read the error message and see if this is
a configuration error with your system. If it is not, then please
report a bug.

Script: import_vm_vmcx.ps1
Error:

Hyper-V\Set-VM : Failed to modify device 'Processor'.
Cannot change the processor settings of a virtual machine now.
'XenialXerus' failed to modify device 'Processor'. (Virtual machine ID
E275A02F-D1A0-460D-830E-0709B4A4E829)
Cannot change the processor settings of virtual machine 'XenialXerus' while it is in a saved state.

Vagrantfile - это:

config.vm.define "debian" do |debian|
  debian.vm.box = "nikel/xerus64"
  # ...
end

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