fix reference to kagent[:default][:private_ips] - default is a keyword
fix reference to kagent[:default][:private_ips] - default is a keyword

hopshadoop/hopsworks-chef,ekeroid/hopsworks-chef,hopshadoop/hopsworks-chef,ekeroid/hopsworks-chef,hopshadoop/hopsworks-chef,ekeroid/hopsworks-chef,ekeroid/hopsworks-chef,hopshadoop/hopsworks-chef