Has anyone else tried the turn it off/turn it back on trick mentioned by Greg...?
"KB 2037454" is dated July 2014, but the fix will be in an upgrade packet
I enabled health check, after configuring LACP then got the same errors as KB 2057667
Scared me to death, though my vms were getting i/o disruption (nasdatastores), but don't see any dropped packets in esxtop...