Update documenatation and output for networking options

grml-debootstrap

@@ -142,8 +142,7 @@ Configuration options:
                              /etc/debootstrap/packages
       --nokernel           Skip installation of default kernel images.
       --nointerfaces       Skip installation of default network configuration.
-      --defaultinterfaces  Install a default /etc/systemd/network/80-dhcp.network file
-                           (enabling DHCP for all network devices). (default)
+      --defaultinterfaces  Install default network configuration. (default)
       --debconf <file>     Pre-seed packages using specified pre-seed db file.
       --grmlrepos          Enable Grml's Debian repository (deb.grml.org).
       --backportrepos      Enable Debian's backports repository (backports.debian.org).
@@ -1696,7 +1695,7 @@ iface eth0 inet dhcp
 "
 
   if [ -n "$NOINTERFACES" ] ; then
-    einfo "Not installing /etc/systemd/network/80-dhcp.network as requested via --nointerfaces option"
+    einfo "Not installing default network configuration as requested via --nointerfaces option"
     eend 0
   elif [ -n "$USE_DEFAULT_INTERFACES" ] ; then
     einfo "Installing default /etc/systemd/network/80-dhcp.network as requested via --defaultinterfaces options."

grml-debootstrap.8.txt

@@ -85,8 +85,10 @@ Options and environment variables
 
 *--defaultinterfaces*::
 
-   Install a default /etc/network/interfaces file (enabling DHCP for eth0)
-   instead of taking over config from host system.
+   Install default network configuration. (default)
+   Provides /etc/systemd/network/80-dhcp.network (enabling DHCP for all
+   ethernet network devices) and /etc/network/interfaces file (enabling DHCP
+   for eth0).
 
 *--efi* _device_::
 
@@ -152,10 +154,12 @@ Options and environment variables
 
     Skip debootstrap, only do configuration to the target.
 
+
 *--nointerfaces*::
 
-    Do not copy /etc/network/interfaces from host system to the target.
-    This option is automatically enabled when using --vm or --vmfile.
+    Skip installation of a default network configuration.
+    Does not provide a default /etc/systemd/network/80-dhcp.network and
+    /etc/network/interfaces on the target system.
 
 *--nokernel*::
 
@@ -237,15 +241,14 @@ Options and environment variables
 
     Set up a Virtual Machine on an existing block device, which will be
     partitioned.
-    This allows deployment of a Virtual Machine. The options needs to be
-    combined with the --target option.
+    This allows deployment of a Virtual Machine.
     Usage example: --vm --target /dev/mapper/your-vm-disk
 
 *--vmfile*::
 
     Set up a Virtual Machine using a regular file instead of installing to a
     partition/block device or directory. This allows deployment of a Virtual
-    Machine. The options needs to be combined with the --target option
+    Machine.
     ('qemu-img create -f raw ...' is executed on the specified target).
     Usage example: --vmfile --target /mnt/sda1/qemu.img