feat(dbus): rewrite some dbus rules (7).

apparmor.d/profiles-m-r/murmurd

@@ -7,6 +7,7 @@ include <tunables/global>
 @{exec_path} = @{bin}/murmurd
 profile murmurd @{exec_path} {
   include <abstractions/base>
+  include <abstractions/bus/avahi>
   include <abstractions/dbus-strict>
   include <abstractions/nameservice-strict>
   include <abstractions/openssl>
@@ -25,11 +26,6 @@ profile murmurd @{exec_path} {
 
   unix (send, receive) type=stream addr=none peer=(label=lsb_release),
 
-  dbus send bus=system path=/
-       interface=org.freedesktop.DBus.Peer
-       member=Ping
-       peer=(name=org.freedesktop.Avahi, label=avahi-daemon),
-
   @{exec_path} mr,
 
   @{bin}/lsb_release rPx -> lsb_release,