Annoying ERROR: 'wlan0' is not a DHCP-enabled interface

[Xin LI]

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Hi,

It seems that 226879 have introduced an error indication where if an
interface is up and is not set to DHCP, the devd invoked
/etc/rc.d/dhclient wlan0 call would generate an annoying message.

I think this message is not necessary at all -- normally
/etc/rc.d/dhclient is used by the system and it's just legitimate that
a network interface comes up and have not assigned as DHCP.

I'd like to propose the attached change, which turns this message into
debug message but keep the exit intact.

Comments?

Cheers,
- -- 
Xin LI <delphij at delphij.net>	https://www.delphij.net/
FreeBSD - The Power to Serve!		Live free or die
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Index: etc/rc.d/dhclient
===================================================================
--- etc/rc.d/dhclient	(revision 227146)
+++ etc/rc.d/dhclient	(working copy)
@@ -22,7 +22,8 @@ stop_precmd="dhclient_pre_check"
 dhclient_pre_check()
 {
 	if [ -z "${rc_force}" ] && ! dhcpif $ifn; then
-		err 1 "'$ifn' is not a DHCP-enabled interface"
+		debug "'$ifn' is not a DHCP-enabled interface"
+		exit 1
 	fi
 }