I have seen this issue multiple times now after reboots.  Whether it be a reboot after a firmware upgrade or a power outage.  Once it comes back up, the module ports will give that alert.  The first time I swapped the cable and figured it was hardware.  The next time I swapped two twinax cables, but thought it was odd that two would go out at the same time.  Since then I've noticed that the issue does only come up for us after power cycles.  Power cycling the port or re-seating the fiber cable usually does the trick.     Aside from @nakarin , is anyone else noticing the same?   FORGOT TO MENTION: This actually happened to us this morning after the power in the building was being worked on and caused the switches to go down. ... View more