In troubleshooting, you can use Ubuntu 16.04 with kernel 4.4: it is always maintained and does not pose a problem.
can you give the dmesg line with a Kernel 4.15 ? Ex: [ 2.932705] i40e 0000:01:00.0: Features: PF-id[0] VFs: 64 VSIs: 66 QP: 16 RSS FD_ATR FD_SB NTUPLE DCB VxLAN Geneve PTP VEPA -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1779756 Title: i40e driver does not work with kernel 4.15 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta-hwe/+bug/1779756/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs