Fixed uptime parsing for under 1 day

Signed-off-by: Jake Hunsaker <jhunsake@redhat.com>
Add third check for IP address

In getIpAddr() we would fail after checking for an ifcfg-* file and ifconfig -a, now we also check in ip_address if the other two are either not available or do not return an IP address.

Signed-off-by: Jake Hunsaker <jhunsake@redhat.com>