Some components, like dhcp, log constantly changing strings which in
turn forces elog string table to grow unbound.
To avoid this, as a workaround, only turn on elog logging if requested.
Actual fix that adds configuration for logging subclasses should come in
a later patch.
Type: improvement
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ie8b26251fb7115d866c2bd65353daa33cdab1ab6