Did you resolve your problem in your other thread?:
https://community.hologram.io/t/novam-r404-usb-modem-on-jetson-carrier-error-unable-to-detect-a-usable-serial-port/2665
You did not respond, and these seem like related issues…
If you did find a solution to your issue, please post it so other in the future can learn from what you’re doing.