I have completely removed the problematic kernel but I did sudo apt install linux-modules-extra-6.8.0-49-generic linux- image-6.8.0-49-generic and now it's working fine with ethernet.
Thank you very much ** Changed in: linux (Ubuntu) Status: Invalid => Fix Released -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2089643 Title: Missing module r8169 in kernel 6.8.0-49 ethernet network not working Status in linux package in Ubuntu: Fix Released Bug description: The ethernet network does not work. The r8169 module is not present in kernel version 6.8.0-49 in the directory /lib/modules/6.8.0-49-generic/kernel/drivers/net/ethernet/realtek, but is present in version 6.8.0-48. sudo dmesg | grep -i eth [ 15.790632] docker0: port 1(veth192353c) entered blocking state [ 15.790640] docker0: port 1(veth192353c) entered disabled state [ 15.790651] veth192353c: entered allmulticast mode [ 15.790704] veth192353c: entered promiscuous mode [ 15.818516] docker0: port 2(veth53f6046) entered blocking state [ 15.818521] docker0: port 2(veth53f6046) entered disabled state [ 15.818527] veth53f6046: entered allmulticast mode [ 15.818563] veth53f6046: entered promiscuous mode [ 16.059585] eth0: renamed from vethe31d1f8 [ 16.067781] docker0: port 1(veth192353c) entered blocking state [ 16.067786] docker0: port 1(veth192353c) entered forwarding state [ 16.080636] eth0: renamed from vethc7770e0 [ 16.090407] docker0: port 2(veth53f6046) entered blocking state [ 16.090414] docker0: port 2(veth53f6046) entered forwarding state [ 25.493077] audit: type=1107 audit(1732173152.738:332): pid=1513 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call" bus="system" path="/org/freedesktop/PolicyKit1/Authority" interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send" name=":1.13" pid=3992 label="snap.snap-store.ubuntu-software" peer_pid=1758 peer_label="unconfined" [ 25.493452] audit: type=1107 audit(1732173152.739:333): pid=1513 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call" bus="system" path="/org/freedesktop/PolicyKit1/Authority" interface="org.freedesktop.PolicyKit1.Authority" member="CheckAuthorization" mask="send" name=":1.13" pid=3992 label="snap.snap-store.ubuntu-software" peer_pid=1758 peer_label="unconfined" [ 25.498113] audit: type=1107 audit(1732173152.743:334): pid=1513 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call" bus="system" path="/org/freedesktop/PolicyKit1/Authority" interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send" name=":1.13" pid=3992 label="snap.snap-store.ubuntu-software" peer_pid=1758 peer_label="unconfined" [ 25.498382] audit: type=1107 audit(1732173152.744:335): pid=1513 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call" bus="system" path="/org/freedesktop/PolicyKit1/Authority" interface="org.freedesktop.PolicyKit1.Authority" member="CheckAuthorization" mask="send" name=":1.13" pid=3992 label="snap.snap-store.ubuntu-software" peer_pid=1758 peer_label="unconfined" [ 86.868238] audit: type=1107 audit(1732173214.113:344): pid=1513 uid=102 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call" bus="system" path="/" interface="org.freedesktop.DBus.ObjectManager" member="GetManagedObjects" mask="send" name="org.bluez" pid=4975 label="snap.brave.brave" ❯ sudo modprobe r8169 modprobe: FATAL: Module r8169 not found in directory /lib/modules/6.8.0-49-generic ❯ ls /lib/modules/6.8.0-49-generic/kernel/drivers/net/ethernet/realtek/ 8139cp.ko.zst 8139too.ko.zst ~ ❯ ls /lib/modules/6.8.0-48-generic/kernel/drivers/net/ethernet/realtek/ 8139cp.ko.zst 8139too.ko.zst atp.ko.zst r8169.ko.zst To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2089643/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp