I am not using the power kernel, so would someone please test if the D-bus error still occurs?
~ $ /opt/netmon/bin/netmon ERROR:dbus.proxies:Introspect error on :1.19:/com/nokia/phone/net: dbus.exceptions.DBusException: rpc.Error: object /com/nokia/phone/net doesn't have interface org.freedesktop.DBus.Introspectable