Public bug reported:
When I configured multiple ports using/etc/network/interfaces which have
“auto”, I noticed that [email protected] was executed before networking.service,
and [email protected] relied on the script ifupdown-hotplug, which caused the
address of the port configuration entry to be configured twice at boot time.
① udev -> ifupdown-hotplug -> [email protected] -> ifup "interface name"
② networking.service -> ifup -a
This causes networking.service to fail, with one of the portals reporting the
error RTNL file exists. This problem only exists when configuring multiple
portals, and disappears when I use systemctl disable networking.
I suspect that the script of hotplug uses systemctl start “--no-block to start
[email protected]”, which causes competition with networking.service。Because in the
end, the configuration in/etc/networking/interfaces is done correctly
** Affects: ifupdown (Ubuntu)
Importance: Undecided
Status: New
** Tags: ifupdown
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https://bugs.launchpad.net/bugs/2115464
Title:
ifup.service makes networking.service failed
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