Just to add a little background info...
The functionality requested by Matthias is available on the S-Series and similar EOS devices by specifying a default management interface. The SecureStacks variant of EOS received individual source interface configuration options after customer requests. If those customers would want to migrate to EXOS, they would need this feature.
Layer 3 switches of other vendors, e.g. Cisco, support setting the source interface for every management service.