Comment 28 for bug 1436540

Verified on fuel-6.1-499-2015-06-02_22-09-35.iso.

Steps to verify:
1. Start Fuel installation.
2. Wait until fuelmenu is started.
3. Choice "Network Setup".
4. Select:
     - Interface - eth1
     - Enable interface - Yes
     - Configuration via DHCP - Static
     - fill "IP address", "Netmask" and "Default Gateway"
5. Press "Apply".
6. Check that Default Gateway is changed.
7. Check that iface eth1 is up after deployment of fuel master