Protect against panic when networking is not set
Protect against panic when networking is not set

This is particularly likely to happen with `kops create -f -`

blakebarnett/kops,aledbf/kops,gambol99/kops,gambol99/kops,blakebarnett/kops,robinpercy/kops,justinsb/kops,kubernetes/kops,robinpercy/kops,robinpercy/kops,kubernetes/kops,kubernetes/kops,aledbf/kops,aledbf/kops,aledbf/kops,blakebarnett/kops,gambol99/kops,blakebarnett/kops,robinpercy/kops,justinsb/kops,justinsb/kops,gambol99/kops