Public bug reported:
Expected:
After a network driver restart, the network interfaces are deleted and
added again, the udev should notify that new interface was added. then
the interface service should be started accordingly.
Actual:
Udev doesn't notify about that new interface is added and the interface service
doesn't start.
More details:
We see this issue when using Mellanox OFED package.
Mellanox OFED add a service per network device and add udev rule to start this
service when the interface added.
After driver restart ("/etc/init.d/openibd restart") the network devices
doesn't loaded, since udev doesn't notify.
The system should run from udev rules, since once the driver creates an
interface, there should be a udev event saying a new interface is added,
then this script will be ran by udev (the OS).
" /bin/systemctl --no-block start mlnx_interface_mgr@ib0.service "
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1774132
Title:
[Bionic]udev stop notifying when network interface added
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