man: ip-address: document 15-char limit for LABEL

Trying to set a label longer than 15 characters returns an error:
 RTNETLINK answers: Numerical result out of range

Document the limit in the manpage.

Originally reported as a Debian bug:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=661886

Reported-by: Gabor Kiss <kissg@ssg.ki.iif.hu>
Signed-off-by: Luca Boccassi <bluca@debian.org>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Luca Boccassi 2017-12-30 11:31:16 +01:00 committed by Stephen Hemminger
parent be78fade55
commit fe2ab15d2c

View File

@ -190,6 +190,7 @@ Each address may be tagged with a label string.
In order to preserve compatibility with Linux-2.0 net aliases,
this string must coincide with the name of the device or must be prefixed
with the device name followed by colon.
The maximum allowed total length of label is 15 characters.
.TP
.BI scope " SCOPE_VALUE"