Setting config.ssh.verify_installed to false has no effect

gistfile1.txt

DEBUG host: Searching for cap: nfs_installed
DEBUG host: Checking in: linux
DEBUG host: Found cap: nfs_installed in linux
 INFO host: Execute capability: nfs_installed [#<Vagrant::Environment: /home/aok/Vms/local/ansible/libvirt/folders/ganesha-wsl>] (linux)
 INFO subprocess: Starting process: ["/bin/ps", "-o", "comm=", "1"]
 INFO subprocess: Command not in installer, restoring original environment...
DEBUG subprocess: Selecting on IO
DEBUG subprocess: stdout: init
DEBUG subprocess: Waiting for process to exit. Remaining to timeout: 32000
DEBUG subprocess: Exit status: 0
 INFO subprocess: Starting process: ["/sbin/modinfo", "nfsd"]
 INFO subprocess: Command not in installer, restoring original environment...
DEBUG subprocess: Selecting on IO
DEBUG subprocess: stderr: libkmod: ERROR ../libkmod/libkmod.c:586 kmod_search_moddep: could not open moddep file '/lib/modules/4.4.0-18362-Microsoft/modules.dep.bin'
modinfo: ERROR: Module alias nfsd not found.
DEBUG subprocess: Waiting for process to exit. Remaining to timeout: 32000
DEBUG subprocess: Exit status: 1
 INFO subprocess: Starting process: ["/bin/grep", "nfsd", "/proc/filesystems"]
 INFO subprocess: Command not in installer, restoring original environment...
DEBUG subprocess: Selecting on IO
DEBUG subprocess: Waiting for process to exit. Remaining to timeout: 32000
DEBUG subprocess: Exit status: 1
ERROR warden: Error occurred: It appears your machine doesn't support NFS, or there is not an
adapter to enable NFS on this machine for Vagrant. Please verify
that `nfsd` is installed on your machine, and try again. If you're
on Windows, NFS isn't supported. If the problem persists, please
contact Vagrant support.