LU-17683 lnet: ksocknal_startup() leaks iface table

LU-17683 lnet: ksocknal_startup() leaks iface table

which is allocated in lnet_inet_enumerate()

Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: Ib25402bb82a33c5f4838fc5bd9e9a22c806df89a
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/54590
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>