How can I set up my etheet on a fresh install of Fedora Server 23?

I am using Fedora Server 23, and cannot get my etheet connection to work. It works fine on Ubunutu, OS X, and Windows 7 on the same machine.

[root@localhost etc]# ifconfig
ens5: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.15  netmask 255.255.255.0  broadcast 192.168.1.255

etc...

[root@localhost etc]# route add -net 0.0.0.0 netmask 0.0.0.0 gw 192.168.1.1 ens5
SIOCADDRT: Network is unreachable
[root@localhost etc]# route add -net 0.0.0.0 netmask 0.0.0.0 gw 192.168.1.254 ens5
SIOCADDRT: Network is unreachable

with the default route settings, pings to anything outside my LAN fail.

What can I do to test this further?

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