<arg type='a(y)' name='eui64' direction='in'/>
<arg type='y' name='endpoint' direction='in'/>
<arg type='i' name='result' direction='out'/>
<arg type='a(y)' name='eui64' direction='in'/>
<arg type='y' name='endpoint' direction='in'/>
<arg type='i' name='result' direction='out'/>