Hi, I booted the server using the ubuntu groovy live cd and applied the same configuration via netplan. All interfaces became up.
I suspected that this patch https://github.com/systemd/systemd/pull/16982 solved the issue. Can you port this patch to focal fossa? Thanks networkctl -a IDX LINK TYPE OPERATIONAL SETUP 1 lo loopback carrier unmanaged 2 eth0 ether routable configured 3 eth1 ether no-carrier configuring 4 eth2 ether no-carrier configuring 5 eth3 ether no-carrier configuring 6 eth4 ether no-carrier configuring 7 eth5 ether no-carrier configuring 8 br0 bridge no-carrier configured 9 br1 bridge no-carrier configured 10 br2 bridge no-carrier configured 11 br3 bridge no-carrier configured 12 br4 bridge no-carrier configured 13 br4.8 vlan no-carrier configured 14 br4.4 vlan no-carrier configured 15 br4.7 vlan no-carrier configured 16 br4.2 vlan no-carrier configured 17 br4.9 vlan no-carrier configured 18 br4.14 vlan no-carrier configured 19 br4.3 vlan no-carrier configured 20 br4.17 vlan no-carrier configured 21 br4.0 vlan no-carrier configured 22 br4.12 vlan no-carrier configured 23 br4.10 vlan no-carrier configured 24 br4.5 vlan no-carrier configured 25 br4.6 vlan no-carrier configured 26 br4.16 vlan no-carrier configured 27 br4.11 vlan no-carrier configured 28 br4.13 vlan no-carrier configured 29 br4.15 vlan no-carrier configured 30 br4.1 vlan no-carrier configured 31 br3.5 vlan no-carrier configured 32 br3.10 vlan no-carrier configured 33 br3.4 vlan no-carrier configured 34 br3.1 vlan no-carrier configured 35 br3.0 vlan no-carrier configured 36 br3.6 vlan no-carrier configured 37 br3.16 vlan no-carrier configured 38 br3.11 vlan no-carrier configured 39 br3.12 vlan no-carrier configured 40 br3.14 vlan no-carrier configured 41 br3.8 vlan no-carrier configured 42 br3.15 vlan no-carrier configured 43 br3.2 vlan no-carrier configured 44 br3.17 vlan no-carrier configured 45 br3.3 vlan no-carrier configured 46 br3.7 vlan no-carrier configured 47 br3.9 vlan no-carrier configured 48 br3.13 vlan no-carrier configured 49 br2.6 vlan no-carrier configured 50 br2.3 vlan no-carrier configured 51 br2.16 vlan no-carrier configured 52 br2.17 vlan no-carrier configured 53 br2.8 vlan no-carrier configured 54 br2.15 vlan no-carrier configured 55 br2.1 vlan no-carrier configured 56 br2.2 vlan no-carrier configured 57 br2.0 vlan no-carrier configured 58 br2.10 vlan no-carrier configured 59 br2.13 vlan no-carrier configured 60 br2.11 vlan no-carrier configured 61 br2.5 vlan no-carrier configured 62 br2.9 vlan no-carrier configured 63 br2.12 vlan no-carrier configured 64 br2.7 vlan no-carrier configured 65 br2.14 vlan no-carrier configured 66 br2.4 vlan no-carrier configured 67 br1.13 vlan no-carrier configured 68 br1.16 vlan no-carrier configured 69 br1.3 vlan no-carrier configured 70 br1.0 vlan no-carrier configured 71 br1.17 vlan no-carrier configured 72 br1.14 vlan no-carrier configured 73 br1.2 vlan no-carrier configured 74 br1.7 vlan no-carrier configured 75 br1.1 vlan no-carrier configured 76 br1.5 vlan no-carrier configured 77 br1.9 vlan no-carrier configured 78 br1.4 vlan no-carrier configured 79 br1.11 vlan no-carrier configured 80 br1.12 vlan no-carrier configured 81 br1.15 vlan no-carrier configured 82 br1.6 vlan no-carrier configured 83 br1.8 vlan no-carrier configured 84 br1.10 vlan no-carrier configured 85 br0.5 vlan no-carrier configured 86 br0.13 vlan no-carrier configured 87 br0.12 vlan no-carrier configured 88 br0.11 vlan no-carrier configured 89 br0.0 vlan no-carrier configured 90 br0.1 vlan no-carrier configured 91 br0.15 vlan no-carrier configured 92 br0.3 vlan no-carrier configured 93 br0.14 vlan no-carrier configured 94 br0.4 vlan no-carrier configured 95 br0.7 vlan no-carrier configured 96 br0.6 vlan no-carrier configured 97 br0.2 vlan no-carrier configured 98 br0.9 vlan no-carrier configured 99 br0.10 vlan no-carrier configured 100 br0.16 vlan no-carrier configured 101 br0.17 vlan no-carrier configured 102 br0.8 vlan no-carrier configured 102 links listed. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1912331 Title: Many interfaces lead to "kernel receive buffer overrun" Status in systemd: Fix Released Status in systemd package in Ubuntu: Invalid Status in systemd source package in Focal: Invalid Status in systemd source package in Groovy: Invalid Bug description: This is about a systemd-networkd bug, described here: https://github.com/systemd/systemd/issues/14417 There's a patch available: https://github.com/systemd/systemd/pull/16982 Can this be backported to Focal? To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1912331/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
