Good news everyone - this has been fixed in kernel 5.9-rc1: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=79814d8179b3c62f700196dcbd6a2ca2bb0dd188
Also see https://bugs.debian.org/965074 ** Bug watch added: Debian Bug tracker #965074 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=965074 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1779173 Title: Dell D6000 dock lacks multicast Ethernet functionality To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1779173/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs