support Sprintf style for package errors
support Sprintf style for package errors

raintank/raintank-metric,raintank/raintank-metric,replay/metrictank,raintank/metrictank,raintank/raintank-metric,replay/metrictank,raintank/metrictank,replay/metrictank,replay/metrictank,raintank/metrictank,raintank/metrictank