init: Give up with a shell if no network & debug mode
init: Give up with a shell if no network & debug mode

In case of DEBUG=1, let's give up the networking detection by providing
a shell instead of trying endlessly to find some network.

enovance/edeploy,lebauce/edeploy,redhat-cip/edeploy,lebauce/edeploy,redhat-cip/edeploy,enovance/edeploy,enovance/edeploy,enovance/edeploy,lebauce/edeploy,lebauce/edeploy,redhat-cip/edeploy,redhat-cip/edeploy