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Description of problem:
Using fdi.vlan.primary parameter creates a broken NetworkManager configuration:

In the section VLAN, a new line expression is not evaluated properly: 

/etc/NetworkManager/system-connections/primary
[connection]
id=primary
type=vlan
autoconnect=true
autoconnect-priority=1
[802-3-ethernet]
mac-address=00:a0:10:01:d5:ab
[ipv4]
method=auto
dhcp-send-hostname=false
dhcp-timeout=300
[ipv6]
method=auto
[vlan]\nid=10 <===

Bulk setting Target Milestone = 6.15.0 where sat-6.15.0+ is set.

Upstream fix has been merged to the develop branch,

fdiprete we need to CP it to the downstream and release a new version.

Verified 

Tested on: Satellite 6.15.0 snap 6

Steps followed:

1. Setup discovery on Satellite
2. Boot up a host to discovery and provision the host
3. Check newline in vlan section is evaluated properly in /etc/NetworkManager/system-connections/primary

Result: 
Newline in vlan section is properly evaluated.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (Important: Satellite 6.15.0 release), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2024:2010