LU-17894 lnet: Initialize common lnd params

LU-17894 lnet: Initialize common lnd params

This ensures the correct default values are used when the user does
not specify a value for them.

Test-Parameters: trivial testlist=sanity-lnet
Fixes: 7e01787863 ("LU-12452 lnet: allow to set IP ToS value per-NI")
Signed-off-by: Chris Horn <chris.horn@hpe.com>
Change-Id: I201e9acbc3be8e27cd8957b722c8cea9a64de6c1
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/55341
Reviewed-by: Etienne AUJAMES <eaujames@ddn.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>