infiniband and bond interfaces can receive MTU settings too (#7499)
* infiniband and bond interfaces can receive MTU settings too
* adding test for default mtu setting
* the mtu parameter for infiniband is different than for ethernet
* adding changelog fragment
* Update changelogs/fragments/7499-allow-mtu-setting-on-bond-and-infiniband-interfaces.yml
Co-authored-by: Felix Fontein <felix@fontein.de>
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Co-authored-by: Felix Fontein <felix@fontein.de>
(cherry picked from commit d0870a022e)
Co-authored-by: mark-tomich <tomichms@nih.gov>
