This function should never be called by code outside of tests/vignettes in this package or packages that depend on it.
graceful_inet(val, silent)warning2(...)
varies, these are internal functions not intended for end users.
logical. NA means no additional handling, TRUE, means careful handling but actually attempt the call, FALSE means force immedate failure without evaling expressions wrapped in inet_handlers() calls
logical(1). Should errors and warnings be emitted as messages (FALSE) or be fully suppressed (TRUE).
passed to message or base::warning