Description of problem: Creating a virtual device like a bond is not undone when rolling back a checkpoint that has been taken "for all devices". Version-Release number of selected component (if applicable): NetworkManager-1.4.0-4.fc25.x86_64 How reproducible: Always Steps to Reproduce: I couldn't find a way to create checkpoints with nmcli. But here's a video of Cockpit: https://www.youtube.com/watch?v=x0tYVrgXKWo - Create a team with the main network interface as a member. - Cockpit takes a checkpoint before this with devices = [ ], meaning all managed devices. - The team starts out as Inactive and Cockpit rolls back the checkpoint. Actual results: The main interface is no longer a member of the team and has its old configuration back, but the team still exists. Expected results: The team is removed.
Created attachment 1204335 [details] [PATCH] checkpoint: introduce new flags to better restore previous state Preliminary patch; other ideas and suggestions are welcome.
+ "the REMOVE_NEW_DEVS flag can only be used with an empty device list"); write the name of the flag in the API: DISCONNECT_NEW_DEVICES otherwise, lgtm as is
(In reply to Thomas Haller from comment #2) > + "the REMOVE_NEW_DEVS flag can only be used > with an empty device list"); > > write the name of the flag in the API: DISCONNECT_NEW_DEVICES Fixed and applied: https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?id=ddeef464af9a565e6b6ca7a6470a7ee588079739
This still happens with NM 1.8.
(In reply to Marius Vollmer from comment #4) > This still happens with NM 1.8. We have added two new flags DELETE_NEW_CONNECTIONS and DISCONNECT_NEW_DEVICES that should be passed to CheckpointCreate() to achieve the behavior you want: https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/libnm-core/nm-dbus-interface.h#n823 Did you try such flags?
(In reply to Beniamino Galvani from comment #5) > (In reply to Marius Vollmer from comment #4) > > This still happens with NM 1.8. > > We have added two new flags DELETE_NEW_CONNECTIONS and > DISCONNECT_NEW_DEVICES that should be passed to CheckpointCreate() to > achieve the behavior you want: > > > https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/libnm-core/ > nm-dbus-interface.h#n823 > > Did you try such flags? Ahh. No, I misunderstood the significance of the flags. I thought they are some internal mechanism only. I'll start using the flags. Any downside to just always setting them?
(In reply to Marius Vollmer from comment #6) > (In reply to Beniamino Galvani from comment #5) > > (In reply to Marius Vollmer from comment #4) > > > This still happens with NM 1.8. > > > > We have added two new flags DELETE_NEW_CONNECTIONS and > > DISCONNECT_NEW_DEVICES that should be passed to CheckpointCreate() to > > achieve the behavior you want: > > > > > > https://cgit.freedesktop.org/NetworkManager/NetworkManager/tree/libnm-core/ > > nm-dbus-interface.h#n823 > > > > Did you try such flags? > > Ahh. No, I misunderstood the significance of the flags. I thought they are > some internal mechanism only. > > I'll start using the flags. Any downside to just always setting them? No, the only effect is that connections added after the checkpoint will be deleted on rollback, and new devices will be disconnected. These flags are ignored by previous NM versions, so should be safe to use everywhere.
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