Damn, it was working well. Then, I saw an "update" in the Docker page on Unraid. Updated. now, it doesn't work
2016-10-28 11:00:06,250 DEBG 'start-script' stdout output:
Fri Oct 28 11:00:06 2016 Socket Buffers: R=[212992->524288] S=[212992->212992]
Fri Oct 28 11:00:06 2016 OPTIONS IMPORT: --ifconfig/up options modified
Fri Oct 28 11:00:06 2016 OPTIONS IMPORT: route options modified
Fri Oct 28 11:00:06 2016 OPTIONS IMPORT: route-related options modified
Fri Oct 28 11:00:06 2016 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option options modified
Fri Oct 28 11:00:06 2016 ROUTE_GATEWAY 172.17.0.1/255.255.0.0 IFACE=eth0 HWADDR=02:42:ac:11:00:03
Fri Oct 28 11:00:06 2016 TUN/TAP device tun0 opened
Fri Oct 28 11:00:06 2016 TUN/TAP TX queue length set to 100
Fri Oct 28 11:00:06 2016 do_ifconfig, tt->ipv6=0, tt->did_ifconfig_ipv6_setup=0
Fri Oct 28 11:00:06 2016 /usr/bin/ip link set dev tun0 up mtu 1500
2016-10-28 11:00:06,250 DEBG 'start-script' stdout output:
Fri Oct 28 11:00:06 2016 /usr/bin/ip addr add dev tun0 172.21.90.123/23 broadcast 172.21.91.255
2016-10-28 11:00:06,251 DEBG 'start-script' stdout output:
Fri Oct 28 11:00:06 2016 /usr/bin/ip route add 216.151.184.9/32 via 172.17.0.1
2016-10-28 11:00:06,251 DEBG 'start-script' stdout output:
Fri Oct 28 11:00:06 2016 /usr/bin/ip route add 0.0.0.0/1 via 172.21.90.1
2016-10-28 11:00:06,252 DEBG 'start-script' stdout output:
Fri Oct 28 11:00:06 2016 /usr/bin/ip route add 128.0.0.0/1 via 172.21.90.1
2016-10-28 11:00:06,252 DEBG 'start-script' stdout output:
Fri Oct 28 11:00:06 2016 Initialization Sequence Completed