[root@li836-161 ~]# insmod tcp_hybla.ko
insmod: error inserting 'tcp_hybla.ko': -1 Invalid module format
[root@li836-161 ~]# modinfo tcp_hybla.ko
filename: tcp_hybla.ko
description: TCP Hybla
license: GPL
author: Daniele Lacamera
depends:
intree: Y
vermagic: 3.19.1 SMP mod_unload modversions
parm: rtt0:reference rout trip time (ms) (int)
[root@li836-161 ~]# uname -r
3.19.1-x86_64-linode53