Mathieu, the MTU issue might have been fixed in NM 1.8.2 now in artful:
https://cgit.freedesktop.org/NetworkManager/NetworkManager/commit/?h=nm-1-8&id=588841
Mathieu, the MTU issue might have been fixed in NM 1.8.2 now in artful:
https:/ /cgit.freedeskt op.org/ NetworkManager/ NetworkManager/ commit/ ?h=nm-1- 8&id=588841