Further information:

The hosts can ping each other and the router appliance that I am VPN'ed in through.

### Other host

[root@ovirt-host-04 ~]# ping 192.168.2.18
PING 192.168.2.18 (192.168.2.18) 56(84) bytes of data.
64 bytes from 192.168.2.18: icmp_seq=1 ttl=64 time=0.283 ms
64 bytes from 192.168.2.18: icmp_seq=2 ttl=64 time=0.234 ms
64 bytes from 192.168.2.18: icmp_seq=3 ttl=64 time=0.240 ms
64 bytes from 192.168.2.18: icmp_seq=4 ttl=64 time=0.246 ms
64 bytes from 192.168.2.18: icmp_seq=5 ttl=64 time=0.251 ms
^C
--- 192.168.2.18 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4110ms
rtt min/avg/max/mdev = 0.234/0.250/0.283/0.026 ms

### router (which I am VPN'ed through)

[root@ovirt-host-04 ~]# ping 192.168.2.1
PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data.
64 bytes from 192.168.2.1: icmp_seq=1 ttl=64 time=0.225 ms
64 bytes from 192.168.2.1: icmp_seq=2 ttl=64 time=0.188 ms
64 bytes from 192.168.2.1: icmp_seq=3 ttl=64 time=0.200 ms
64 bytes from 192.168.2.1: icmp_seq=4 ttl=64 time=0.187 ms

### to ovirt controller

[root@ovirt-host-04 ~]# ping 192.168.2.10
PING 192.168.2.10 (192.168.2.10) 56(84) bytes of data.
^C
--- 192.168.2.10 ping statistics ---
15 packets transmitted, 0 received, 100% packet loss, time 14359ms

### from ovirt controller to the original host that started this thread

[root@ovirt1 ~]# ping 192.168.2.18
PING 192.168.2.18 (192.168.2.18) 56(84) bytes of data.
64 bytes from 192.168.2.18: icmp_seq=1 ttl=64 time=0.273 ms
64 bytes from 192.168.2.18: icmp_seq=2 ttl=64 time=0.240 ms
64 bytes from 192.168.2.18: icmp_seq=3 ttl=64 time=0.241 ms
64 bytes from 192.168.2.18: icmp_seq=4 ttl=64 time=0.248 ms
^C
--- 192.168.2.18 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3099ms
rtt min/avg/max/mdev = 0.240/0.250/0.273/0.020 ms

[root@ovirt1 ~]# ping 192.168.2.19
PING 192.168.2.19 (192.168.2.19) 56(84) bytes of data.
^C
--- 192.168.2.19 ping statistics ---
14 packets transmitted, 0 received, 100% packet loss, time 13329ms

[root@ovirt1 ~]#