Raspberry Pi 4: Network non-functional directly after (re)boot · Issue #3034 · raspberrypi/linux · GitHub
![connection - Unable to connect my laptop to Raspberry Pi 4B via Ethernet with the new Bookworm - Raspberry Pi Stack Exchange connection - Unable to connect my laptop to Raspberry Pi 4B via Ethernet with the new Bookworm - Raspberry Pi Stack Exchange](https://i.stack.imgur.com/4uu35.png)
connection - Unable to connect my laptop to Raspberry Pi 4B via Ethernet with the new Bookworm - Raspberry Pi Stack Exchange
CM4 after reboot NIC (eth0) disappears / no ethernet connection · Issue #5497 · raspberrypi/linux · GitHub
eth0 does not work out of the box on Raspberry Pi 400 - device has no carrier · Issue #2338 · home-assistant/operating-system · GitHub
![Ethernet sometimes fails to start (no carrier) on Raspberry Pi 4 on kernel 4.19.66-v7l+ · Issue #3195 · raspberrypi/linux · GitHub Ethernet sometimes fails to start (no carrier) on Raspberry Pi 4 on kernel 4.19.66-v7l+ · Issue #3195 · raspberrypi/linux · GitHub](https://user-images.githubusercontent.com/1786438/108766378-614c6a80-7555-11eb-84f1-26113481e59d.jpg)