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#!/bin/sh
# configure NM to regard already configured interfaces as unmanaged (for NFS root)
CONFFILE=/var/run/NetworkManager.conf
if [ ! -e /run/resolv.conf -a -e /proc/net/pnp ]; then
cp /proc/net/pnp /run/resolv.conf
fi
if [ ! -f $CONFFILE ]; then
# set previously enabled interfaces to unmanaged
cat /etc/NetworkManager/NetworkManager.conf > $CONFFILE
UNMANAGED=""
for IF in $(ls /sys/class/net); do
IF_FLAGS="$(cat /sys/class/net/$IF/flags)"
if [ "$((IF_FLAGS&1))" = "1" -a "$IF" != "lo" ]; then
IF_ADDR="$(cat /sys/class/net/$IF/address)"
UNMANAGED="$UNMANAGED;mac:$IF_ADDR"
fi
done
echo "" >> $CONFFILE
echo "[keyfile]" >> $CONFFILE
echo "# unmanaged-devices added by $0" >> $CONFFILE
echo "unmanaged-devices=${UNMANAGED:1}" >> $CONFFILE
fi
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