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I know this is an old question - but I ran into the same thing today, so figured I'd add a solution.

Adding -E to the launch prefix to preserve the environment worked for me:

launch-prefix="sudo -E"

From the sudo manual:

The -E (preserve environment) option indicates to the security policy that the user wishes to preserve their existing environment variables. The security policy may return an error if the -E option is specified and the user does not have permission to preserve the environment.

As @ahendrix says in his answer here:

Note that both of these methods will unset LD_LIBRARY_PATH before executing your node (it's a security feature of glibc). This means that your node will either need to be statically compiled, or you'll need to turn on RPATH during the compilation process, so that the library search path is included in your executable rather than relying on the environment to be set up correctly.