Fix reference to 'service' variable, should be 'function'
Fix reference to 'service' variable, should be 'function'

felipevicens/son-gkeeper,sonata-nfv/son-gkeeper,dang03/son-gkeeper,dang03/son-gkeeper,dang03/son-gkeeper,jbonnet/son-gkeeper,jbonnet/son-gkeeper,felipevicens/son-gkeeper,jbonnet/son-gkeeper,dang03/son-gkeeper,sonata-nfv/son-gkeeper,sonata-nfv/son-gkeeper,felipevicens/son-gkeeper,felipevicens/son-gkeeper,jbonnet/son-gkeeper,sonata-nfv/son-gkeeper