CORD-1901 Invalid /etc/network/interfaces
Change-Id: If4df27de34f39e4a67a35b52095cb8ef68218c89
(cherry picked from commit 090a3e423775d1d1f4ac963f82c982bee9e78813)
diff --git a/library/netfile.py b/library/netfile.py
index bb37f43..5bde0ec 100755
--- a/library/netfile.py
+++ b/library/netfile.py
@@ -241,7 +241,7 @@
# which attributes should be ignored and not be written as single
# attributes values against and interface
-write_ignore = ["auto", "type", "config", "description"]
+write_ignore = ["auto", "type", "config", "description", "source"]
# specifies the order in which attributes are written against an
# interface. Any attribute note in this list is sorted by default