Can't deploy Firestarter vm: BOOT_FAILURE

Can’t deploy Firestarter vm:

Tue Jan 12 13:58:58 2021 [Z0][VM][I]: New state is ACTIVE
Tue Jan 12 13:58:58 2021 [Z0][VM][I]: New LCM state is PROLOG
Tue Jan 12 13:58:59 2021 [Z0][VM][I]: New LCM state is BOOT
Tue Jan 12 13:58:59 2021 [Z0][VMM][I]: Generating deployment file: /var/lib/one/vms/44/deployment.0
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: Successfully execute transfer manager driver operation: tm_context.
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: Command execution fail: cat << EOT | /var/tmp/one/vnm/ovswitch/pre
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: pre: Running /var/tmp/one/vnm/ovswitch/pre.d/firecracker
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: /var/tmp/one/vnm/vnm_driver.rb:211:in block in run_hooks': Error running /var/tmp/one/vnm/ovswitch/pre.d/firecracker (RuntimeError) Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: from /var/tmp/one/vnm/vnm_driver.rb:204:in each’
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: from /var/tmp/one/vnm/vnm_driver.rb:204:in run_hooks' Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: from /var/tmp/one/vnm/ovswitch/pre:29:in
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: ExitCode: 1
Tue Jan 12 13:59:00 2021 [Z0][VMM][I]: Failed to execute network driver operation: pre.
Tue Jan 12 13:59:00 2021 [Z0][VMM][E]: Error deploying virtual machine: ovswitch: -
Tue Jan 12 13:59:00 2021 [Z0][VM][I]: New LCM state is BOOT_FAILURE


No idea how to debug it.
How to get data passed to /var/tmp/one/vnm/ovswitch/pre STDIN?

Versions of the related components and OS (frontend, hypervisors, VMs):
opennebula-node-firecracker-5.12.0.3-1.ce.el8.x86_64

Hello @OldBeaver,

Please, note that Firecracker integration currently only support linux bridge based drivers: Firecracker Driver — OpenNebula 5.12.7 documentation.