5/lxd/1  pending                  pending  xenial           failed to start machine 5/lxd/1 (failed to bridge devices: bridge activaction error: bridge activation failed: /usr/sbin/fanctl: 41: /usr/sbin/fanctl: arithmetic expression: expecting primary: " (32-)/4 "
run-parts: /etc/network/if-up.d/ubuntu-fan exited with return code 2