[strongSwan] StrongSwan on PowerPC [KNL] received netlink error: Operation not supported (95)

[Luka]

Hello.

I'm trying to install StrongSwan 5.1.0 on my Synology DS213+.
I've successfully cross-compiled strongswan for my Synology.
Now when I try to start it with ipsec start, I get following errors in log
file:

Oct 30 07:34:39 00[DMN] Starting IKE charon daemon (strongSwan 5.1.0, Linux
2.6.
Oct 30 07:34:39 00[KNL] received netlink error: Operation not supported (95)
Oct 30 07:34:39 00[KNL] unable to create IPv4 routing table rule
Oct 30 07:34:39 00[KNL] received netlink error: Operation not supported (95)
Oct 30 07:34:39 00[KNL] unable to create IPv6 routing table rule
Oct 30 07:34:39 00[CFG] loading ca certificates from
'/usr/local/etc/ipsec.d/cac
Oct 30 07:34:39 00[LIB] building CRED_CERTIFICATE - X509 failed, tried 3
builder
Oct 30 07:34:39 00[CFG]   loading ca certificate from
'/usr/local/etc/ipsec.d/ca
Oct 30 07:34:39 00[CFG] loading aa certificates from
'/usr/local/etc/ipsec.d/aac
Oct 30 07:34:39 00[CFG] loading ocsp signer certificates from
'/usr/local/etc/ip
Oct 30 07:34:39 00[CFG] loading attribute certificates from
'/usr/local/etc/ipse
Oct 30 07:34:39 00[CFG] loading crls from '/usr/local/etc/ipsec.d/crls'
Oct 30 07:34:39 00[CFG] loading secrets from '/usr/local/etc/ipsec.secrets'
...

Does anyone know what should I do about that netlink error ?
I'm probably missing some kernel modules.
Before that I got error:
Oct 28 21:59:48 00[KNL] unable to bind XFRM event socket

I've fixed that by loading xfrm_user module: insmod
/usr/lib/modules/xfrm_user.ko

Where can I get filenames (?.ko) for the kernel modules, that are required
for strongswan (wiki.strongswan.org/projects/strongswan/wiki/KernelModules)
?
I've also tried to crosscompile KO modules, using this guide:
http://www.bydavy.com/2012/01/compiling-linux-kernel-modules-for-synology-devices/
but I'm not sure which modules should I copy then. I found that
xfrm_user.ko, but that one is already on synology.

Any idea what should I try next ?

Thanks!

Luka
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