Tue Aug  7 21:03:43 2018 OpenVPN 2.4.6 x86_64-pc-linux-gnu [SSL (OpenSSL)] [LZO] [LZ4] [EPOLL] [PKCS11] [MH/PKTINFO] [AEAD] built on Apr 24 2018
Tue Aug  7 21:03:43 2018 library versions: OpenSSL 1.1.0h  27 Mar 2018, LZO 2.10
Tue Aug  7 21:03:43 2018 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Tue Aug  7 21:03:43 2018 TCP/UDP: Preserving recently used remote address: [AF_INET]********
Tue Aug  7 21:03:43 2018 Socket Buffers: R=[212992->212992] S=[212992->212992]
Tue Aug  7 21:03:43 2018 UDP link local: (not bound)
Tue Aug  7 21:03:43 2018 UDP link remote: [AF_INET]1*****
Tue Aug  7 21:03:43 2018 TLS: Initial packet from [AF_INET]******* sid=691af5ca b80b380f
Tue Aug  7 21:03:43 2018 VERIFY OK: *******
Tue Aug  7 21:03:43 2018 VERIFY KU OK
Tue Aug  7 21:03:43 2018 Validating certificate extended key usage
Tue Aug  7 21:03:43 2018 ++ Certificate has EKU (str) TLS Web Server Authentication, expects TLS Web Server Authentication
Tue Aug  7 21:03:43 2018 VERIFY EKU OK
Tue Aug  7 21:03:43 2018 VERIFY OK: ******
Tue Aug  7 21:03:44 2018 Control Channel: TLSv1, cipher SSLv3 DHE-RSA-AES256-SHA, 2048 bit RSA
Tue Aug  7 21:03:44 2018 [server] Peer Connection Initiated with [AF_INET]******
Tue Aug  7 21:03:45 2018 SENT CONTROL [server]: 'PUSH_REQUEST' (status=1)
Tue Aug  7 21:03:45 2018 PUSH: Received control message: 'PUSH_REPLY,dhcp-option DNS 172.16.1.1,route-gateway 172.16.1.1,ping 10,ping-restart 120,ifconfig 172.16.1.100 255.255.255.0'
Tue Aug  7 21:03:45 2018 OPTIONS IMPORT: timers and/or timeouts modified
Tue Aug  7 21:03:45 2018 OPTIONS IMPORT: --ifconfig/up options modified
Tue Aug  7 21:03:45 2018 OPTIONS IMPORT: route-related options modified
Tue Aug  7 21:03:45 2018 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified
Tue Aug  7 21:03:45 2018 Outgoing Data Channel: Cipher 'BF-CBC' initialized with 128 bit key
Tue Aug  7 21:03:45 2018 WARNING: INSECURE cipher with block size less than 128 bit (64 bit).  This allows attacks like SWEET32.  Mitigate by using a --cipher with a larger block size (e.g. AES-256-CBC).
Tue Aug  7 21:03:45 2018 Outgoing Data Channel: Using 160 bit message hash 'SHA1' for HMAC authentication
Tue Aug  7 21:03:45 2018 Incoming Data Channel: Cipher 'BF-CBC' initialized with 128 bit key
Tue Aug  7 21:03:45 2018 WARNING: INSECURE cipher with block size less than 128 bit (64 bit).  This allows attacks like SWEET32.  Mitigate by using a --cipher with a larger block size (e.g. AES-256-CBC).
Tue Aug  7 21:03:45 2018 Incoming Data Channel: Using 160 bit message hash 'SHA1' for HMAC authentication
Tue Aug  7 21:03:45 2018 WARNING: cipher with small block size in use, reducing reneg-bytes to 64MB to mitigate SWEET32 attacks.
Tue Aug  7 21:03:45 2018 TUN/TAP device tap0 opened
Tue Aug  7 21:03:45 2018 TUN/TAP TX queue length set to 100
Tue Aug  7 21:03:45 2018 do_ifconfig, tt->did_ifconfig_ipv6_setup=0
Tue Aug  7 21:03:45 2018 /usr/bin/ip link set dev tap1 up mtu 1500
Tue Aug  7 21:03:45 2018 /usr/bin/ip addr add dev tap1 172.16.1.100/24 broadcast 172.16.1.255
Tue Aug  7 21:03:45 2018 /etc/openvpn/update-resolv-conf tap1 1500 1574 172.16.1.100 255.255.255.0 init
which: no resolvconf in ((null))
Tue Aug  7 21:03:45 2018 WARNING: Failed running command (--up/--down): external program exited with error status: 1
Tue Aug  7 21:03:45 2018 Exiting due to fatal error