Icons were created for Ubuntu and have been obtained from the
network-manager-applet src:package in Ubuntu. The package maintainer
applied no specific copyrights to those files. In debian/copyright of
the Ubuntu package they are covered by this copyright info block:
Copyright: 2004 - 2015 Red Hat, Inc.
2005 - 2008 Novell, Inc.
2001, 2002 Free Software Foundation