In step 4 you give your users option to choose a nic for WAN, but your text has hardcoded text about eth1:
"Please set the Internet uplink on your external interface (WAN/eth1)."
I think "/eth1" should be removed.
Astaro Beta Report
--------------------------------
Version: 7.902
Type: BUG
State: CLOSED/FIXED
Reporter: Joffer++
Contributor:
MantisID: 13379
Target version: 7.903
Fixed in version: 7.903
--------------------------------
Astaro Beta Report
--------------------------------
Version: 7.902
Type: BUG
State: CLOSED/FIXED
Reporter: Joffer++
Contributor:
MantisID: 13379
Target version: 7.903
Fixed in version: 7.903
--------------------------------