** Description changed: + [Impact] + + * Incomplete cherrypick of ARP functionality in networkd resulted in an + undesired side-effect, specifically NOARP flag started to be applied + unconditionally, specifically when it should not have, resulting in loss + of network connectivity. + + * This is a regression in -updates. + + [Test Case] + + * Configure a bond using networkd + * Upgrade + * Make sure NOARP flag is not set on the interfaces / bond + + [Regression Potential] + + * This is an upstream fix for this issue. + + [Other Info] + + * Upstream fix + https://github.com/systemd/systemd/commit/1ed1f50f8277df07918e13cba3331a114eaa6fe3.patch + + * Original bug report + this breaks existing configurations with bonding on upgrading from 229-4ubuntu19 to 229-4ubuntu20 on xenial as bond interfaces are now by default configured without ARP. Hence you suddenly lose network connectivity on upgrade. Very bad for a SRU. Plus adding "ARP=yes" to the Link section of a .network file does not work. Before this update, bond interfaces (specifically 802.3ad) were defaulting to ARP enabled. After the upgrade, they are created with NOARP set on the link. pre-upgrade: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> eth1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> post-upgrade: eth0: <BROADCAST,MULTICAST,NOARP,SLAVE,UP,LOWER_UP> eth1: <BROADCAST,MULTICAST,NOARP,SLAVE,UP,LOWER_UP> bond0: <BROADCAST,MULTICAST,NOARP,MASTER,UP,LOWER_UP> Linux cnode11 4.4.0-97-generic #120-Ubuntu SMP Tue Sep 19 17:28:18 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
** Changed in: systemd (Ubuntu) Importance: Undecided => Critical ** Also affects: systemd (Ubuntu Artful) Importance: Undecided Status: New ** Also affects: systemd (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: systemd (Ubuntu Bionic) Importance: Critical Status: Confirmed ** Also affects: systemd (Ubuntu Zesty) Importance: Undecided Status: New ** Changed in: systemd (Ubuntu Xenial) Status: New => In Progress ** Changed in: systemd (Ubuntu Xenial) Importance: Undecided => Critical ** Changed in: systemd (Ubuntu Zesty) Status: New => Fix Released ** Changed in: systemd (Ubuntu Artful) Status: New => Fix Released ** Changed in: systemd (Ubuntu Bionic) Status: Confirmed => Fix Released ** Changed in: systemd (Ubuntu Xenial) Assignee: (unassigned) => Dimitri John Ledkov (xnox) ** Changed in: systemd (Ubuntu Xenial) Milestone: None => xenial-updates -- 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/1727301 Title: 229-4ubuntu20 added ARP option breaks existing bonding interfaces Status in systemd: Unknown Status in systemd package in Ubuntu: Fix Released Status in systemd source package in Xenial: In Progress Status in systemd source package in Zesty: Fix Released Status in systemd source package in Artful: Fix Released Status in systemd source package in Bionic: Fix Released Bug description: [Impact] * Incomplete cherrypick of ARP functionality in networkd resulted in an undesired side-effect, specifically NOARP flag started to be applied unconditionally, specifically when it should not have, resulting in loss of network connectivity. * This is a regression in -updates. [Test Case] * Configure a bond using networkd * Upgrade * Make sure NOARP flag is not set on the interfaces / bond [Regression Potential] * This is an upstream fix for this issue. [Other Info] * Upstream fix https://github.com/systemd/systemd/commit/1ed1f50f8277df07918e13cba3331a114eaa6fe3.patch * Original bug report this breaks existing configurations with bonding on upgrading from 229-4ubuntu19 to 229-4ubuntu20 on xenial as bond interfaces are now by default configured without ARP. Hence you suddenly lose network connectivity on upgrade. Very bad for a SRU. Plus adding "ARP=yes" to the Link section of a .network file does not work. Before this update, bond interfaces (specifically 802.3ad) were defaulting to ARP enabled. After the upgrade, they are created with NOARP set on the link. pre-upgrade: eth0: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> eth1: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> post-upgrade: eth0: <BROADCAST,MULTICAST,NOARP,SLAVE,UP,LOWER_UP> eth1: <BROADCAST,MULTICAST,NOARP,SLAVE,UP,LOWER_UP> bond0: <BROADCAST,MULTICAST,NOARP,MASTER,UP,LOWER_UP> Linux cnode11 4.4.0-97-generic #120-Ubuntu SMP Tue Sep 19 17:28:18 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1727301/+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