Zitat von mpca am 26. Februar 2021, 20:28 Uhr

community.sophos.com/utm-firewall/f/gene...h-device-to-networks

If the new unit has fewer NICs than the old one had in use, Interface definitions will be lost along with all of the rules using them. You can change the NIC order as root:
su -
edit /etc/udev/rules.d/70-persistent-net.rules