For ethtool the if-up.d script is actual integration of hardware settings from ifupdown, i.e. it is parsing ifupdown settings in order to get them applied to the device via ethtool.
https://salsa.debian.org/kernel- team/ethtool/-/blob/master/debian/ethtool.if-up?ref_type=heads This is not relevant for Netplan/systemd-networkd as it can control such ethtool settings itself (e.g. via .link files). ** Changed in: ethtool (Ubuntu) Status: Triaged => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1718227 Title: replacement of ifupdown with netplan needs integration for /etc/network/if{up,down}.d scripts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/aiccu/+bug/1718227/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs