add netlink options

[nikitos]

should fix this issue #1322
no regression for default config
added logs from netlink

[salesforce-cla]

Thanks for the contribution! Before we can merge this, we need @nikitos to sign the Salesforce Inc. Contributor License Agreement.

[JackDoan]

Since this adds a new config option, could you please also add it to the example config.yml, commented out, with some explanation of what it does and why you might use it?