detect transient error on validating pairwise macs (#13608)
detect transient error on validating pairwise macs (#13608)

* detect transient error when validating pairwise macs

* Fix permanent error detection

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client