[EXTENDED] /etc/systemd/system/display-manager.service → /lib/systemd/system/display-manager.service.d/xdiagnose.conf [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf [OVERRIDDEN] /etc/udev/rules.d/80-net-setup-link.rules → /lib/udev/rules.d/80-net-setup-link.rules --- /lib/udev/rules.d/80-net-setup-link.rules 2016-06-02 06:52:06.000000000 -0300 +++ /etc/udev/rules.d/80-net-setup-link.rules 2015-06-23 13:14:00.617339826 -0300 @@ -1,13 +1,6 @@ -# do not edit this file, it will be overwritten on update - -SUBSYSTEM!="net", GOTO="net_setup_link_end" - -IMPORT{builtin}="path_id" - -ACTION!="add", GOTO="net_setup_link_end" - -IMPORT{builtin}="net_setup_link" - -NAME=="", ENV{ID_NET_NAME}!="", NAME="$env{ID_NET_NAME}" - -LABEL="net_setup_link_end" +# This machine is most likely a virtualized guest, where the old persistant +# network interface mechanism (75-persistent-net-generator.rules) did not work. +# This file disables /lib/udev/rules.d/80-net-setup-link.rules to avoid +# changing network interface names on upgrade. Please read +# /usr/share/doc/udev/README.Debian.gz about how to migrate to the currently +# supported mechanism. 4 overridden configuration files found.