The same sequence of patches that I applied to linux-source version 5.10.46 in message 31 will also apply cleanly and enable the device using linux-source version 5.10.70.
[ 0.000000] Linux version 5.10.70-rfw (rfw@pd400) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Oct 9 13:33:41 MDT 2021 [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.10.70-rfw root=UUID=85ed9906-0d36-41ca-bfdf-9434fe5ecd2c ro loglevel=9 efi=debug nohibernate noresume panic=30 systemd.unit=multi-user.target [ 0.015814] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.10.70-rfw root=UUID=85ed9906-0d36-41ca-bfdf-9434fe5ecd2c ro loglevel=9 efi=debug nohibernate noresume panic=30 systemd.unit=multi-user.target [ 1.866334] rtc_cmos 00:01: setting system clock to 2021-10-11T10:14:47 UTC (1633947287) [ 2.022716] BOOT_IMAGE=/boot/vmlinuz-5.10.70-rfw ... [ 10.439020] r8169 0000:04:00.1: can't disable ASPM; OS doesn't have ASPM control [ 10.459843] libphy: r8169: probed [ 10.462187] r8169 0000:04:00.1 eth0: RTL8168fp/RTL8117, b0:22:7a:22:c7:e7, XID 54b, IRQ 83 [ 10.466378] r8169 0000:04:00.1 eth0: jumbo features [frames: 9194 bytes, tx checksumming: ko] [ 10.783196] r8169 0000:04:00.1 eno1: renamed from eth0 [ 12.095444] Generic FE-GE Realtek PHY r8169-0-401:00: attached PHY driver [Generic FE-GE Realtek PHY] (mii_bus:phy_addr=r8169-0-401:00, irq=IGNORE) [ 12.218876] r8169 0000:04:00.1 eno1: Link is Down [ 14.654147] r8169 0000:04:00.1 eno1: Link is Up - 1Gbps/Full - flow control rx/tx -- Randy Wright Hewlett Packard Enterprise Phone: (970) 898-0998 Mail: rwri...@hpe.com