This changes framework.GetReadySchedulableNodesOrDie and
framework.GetMasterAndWorkerNodesOrDie so that nodes that can't take a
generic fake pod due to a taint/toleration mismatch aren't returned.
This is a rehash of #35210, but pulls in the scheduler code.
Automatic merge from submit-queue
Speed up some networking tests in large clusters
Since we are getting towards testing larger and larger clusters (hopefully 5000-node ones soon-ish), I'm trying to limit the amount of super long tests to minimum.
This should significantly reduce amount of time used by those from test/e2e/networking.go.
@gmarek