Hi, this happened on 6.8.0-51 HWE kernel. The relevant config:

network:
  version: 2
  ethernets:
    ens3f0:
      virtual-function-count: 32
      embedded-switch-mode: switchdev
      delay-virtual-functions-rebind: true
    
    ens3f1:
      virtual-function-count: 32
      embedded-switch-mode: switchdev
      delay-virtual-functions-rebind: true


As I mentioned, 0.106.1-7ubuntu0.22.04.4 we *sometimes* had the issue of
the cards not coming up in switchdev mode. With
0.107.1-3ubuntu0.22.04.2, this happened on all three reboots that we
tried it with (and we didn't try more as this caused a significant
problem already).

This makes me think it's an issue with the new netplan version, not the
kernel or driver.

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https://bugs.launchpad.net/bugs/2020409

Title:
  [SRU] can't move mellanox interface to switchdev when SR-IOV disable

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