The v1.1.0 release of our Check E-Series product brings also a new monitoring plugin called check_eseries_nic. This provides monitoring of:
the link-status (up/down) the current-speed (1Gib/s, 10GiB/s, …) setup-error (true/false) A typical output would for the link-status check look like:
$ ./check_eseries_nic …