[acl-loader] Prevent from hanging if run by non-root user #199
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If
acl-loader
was run by a non-root user, it would just hang indefinitely in the call toSonicV2Connector()
.NOTE: We may want to exit if run by a non-root user and add "acl-loader show *` to /etc/sudoers as we have done for other CLI utils which have both show and config functionality.