Allow !net to remove the net provision from dependencies.

etc/rc.conf

@@ -85,9 +85,14 @@ net_fs_list="afs cifs coda davfs fuse gfs ncpfs nfs nfs4 ocfs2 shfs smbfs"
 #rc_use="net.eth0"
 #rc_after="clock"
 #rc_before="local"
+#rc_provide="!net"
 
 # You can also enable the above commands here for each service. Below is an
 # example for service foo.
 #rc_foo_config="/etc/foo"
 #rc_foo_need="openvpn"
 #rc_foo_after="clock"
+
+# You can also remove dependencies.
+# This is mainly used for saying which servies do NOT provide net.
+#rc_net_tap0_provide="!net"