Aug 28 09:07:29 ovpn-client2[4084]: Linux ifconfig inet6 failed: external program exited with error status: 1
Disable IPv6 support on that client.
Code:
pull-filter ignore "ifconfig-ipv6"
pull-filter ignore "router-ipv6"
Aug 28 09:36:24 ovpn-client2[14058]: Options error: You must define CA file (--ca) or CA path (--capath)
This one is missing the CA certificate.