Updating connection failed nm ifupdown connection

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I've already installed tun0 Link encap: UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet addr:10.4.16.251 P-t-P:10.4.16.251 Mask:255.255.0.0 UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:35 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:0 (0.0 B) TX bytes:1860 (1.8 KB) [ [email protected]: /home/lee ]# iptables -L Chain INPUT (policy ACCEPT) target prot opt source destination Chain FORWARD (policy ACCEPT) target prot opt source destination Chain OUTPUT (policy ACCEPT) target prot opt source destination [ [email protected]: ~ ]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 enp3s0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp3s0 192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp3s0 [ [email protected]: ~ ]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 10.4.0.1 0.0.0.0 UG 50 0 0 tun0 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 enp3s0 10.4.0.0 0.0.0.0 255.255.0.0 U 50 0 0 tun0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp3s0 185.1 192.168.0.1 255.255.255.255 UGH 100 0 0 enp3s0 192.168.0.0 0.0.0.0 255.255.255.0 U 100 0 0 enp3s0 # -------------------------------------------------------- # Air VPN | https://| Wednesday 28th of September 2016 PM # Open VPN Client Configuration.# Air VPN_United-Kingdom_UDP-443 # -------------------------------------------------------- client dev tun proto udp remote 443 resolv-retry infinite nobind persist-key persist-tun remote-cert-tls server cipher AES-256-CBC comp-lzo no route-delay 5 verb 3 explicit-exit-notify 5 is enabled (or use LZO data compression in Network Manager settings) things work.

CON-UUID: 87779905-948b-4923-90a9-a9fdeb019c8c GENERAL. CON-PATH: /org/freedesktop/Network Manager/Active Connection/1 GENERAL.

RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10) Subsystem: Lenovo RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [17aa:384c] Kernel driver in use: r8169 .0 Network controller [0280]: Realtek Semiconductor Co., Ltd.

RTL8821AE 802.11ac PCIe Wireless Network Adapter [10ec:8821] Subsystem: Lenovo RTL8821AE 802.11ac PCIe Wireless Network Adapter [17aa:a814] Kernel driver in use: rtl8821ae ##### lsusb ############################# Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 005: ID 0bda:0821 Realtek Semiconductor Corp.

systemd[1]: Starting Network Manager Script Dispatcher Service...

dbus[804]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' systemd[1]: Started Network Manager Script Dispatcher Service.

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