Логи клиента
Tue Nov  7 14:01:58 2017 OpenVPN 2.3.2 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [EPOLL] [PKCS11] [eurephia] [MH] [IPv6] built on Jun 22 2017
Tue Nov  7 14:01:58 2017 WARNING: this cipher's block size is less than 128 bit (64 bit).  Consider using a --cipher with a larger block size.
Tue Nov  7 14:01:58 2017 WARNING: this cipher's block size is less than 128 bit (64 bit).  Consider using a --cipher with a larger block size.
Tue Nov  7 14:01:58 2017 TUN/TAP device tun0 opened
Tue Nov  7 14:01:58 2017 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0
Tue Nov  7 14:01:58 2017 /sbin/ip link set dev tun0 up mtu 1500
Tue Nov  7 14:01:58 2017 /sbin/ip addr add dev tun0 local 10.4.0.2 peer 10.4.0.1
Tue Nov  7 14:01:58 2017 Attempting to establish TCP connection with [AF_INET]52.15.118.78:1194 [nonblock]
Tue Nov  7 14:01:59 2017 TCP connection established with [AF_INET]52.15.118.78:1194
Tue Nov  7 14:01:59 2017 TCPv4_CLIENT link local: [undef]
Tue Nov  7 14:01:59 2017 TCPv4_CLIENT link remote: [AF_INET]52.15.118.78:1194
Tue Nov  7 14:01:59 2017 Peer Connection Initiated with [AF_INET]52.15.118.78:1194
Tue Nov  7 14:02:00 2017 Initialization Sequence Completed


Логи сервера
$ sudo cat /etc/openvpn/server-tcp.log
OpenVPN STATISTICS
Updated,Tue Nov  7 11:03:02 2017
TUN/TAP read bytes,360
TUN/TAP write bytes,60
TCP/UDP read bytes,100
TCP/UDP write bytes,922
Auth read bytes,60
END