Please give latest mainline kernel a try:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.18/amd64/
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https://bugs.launchpad.net/bugs/1969889
Title:
My wired connection randomly
So the wired network worked fine under 20.04?
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https://bugs.launchpad.net/bugs/1969889
Title:
My wired connection randomly disconnets after upgrade
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** Package changed: ubuntu-release-upgrader (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1969889
Title:
My wired connection randomly disconnets after upgrade
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** Package changed: ubuntu => ubuntu-release-upgrader (Ubuntu)
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https://bugs.launchpad.net/bugs/1969889
Title:
My wired connection randomly disconnets after upgrade
To manage