Running systemd-243_rc1 with networkmanager-1.18.2, I see the following log entry in the journal. > Aug 13 00:37:21 naomi systemd-udevd[553]: /lib/udev/rules.d/84-nm-drivers.rules:10 Invalid value "/bin/sh -c 'ethtool -i $1 | sed -n s/^driver:\ //p' -- $env{INTERFACE}" for PROGRAM (char 24: invalid substitution type), ignoring, but please fix it.
*** This bug has been marked as a duplicate of bug 697774 ***