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Created attachment 1745535[details]
Reproduce script
Description of problem:
When both bond interface and OVS port profile are using the same `bond0` as
`connection.interface-name`, cannot create VLAN over bond.
Version-Release number of selected component (if applicable):
NetworkManager-1.30.0-0.5.el8.x86_64
How reproducible:
100%
Steps to Reproduce:
1. sudo ./bug.sh
2.
3.
Actual results:
Error: Connection activation failed: bond0.100 failed to create resources: cannot retrieve ifindex of interface bond0 (Open vSwitch Port)
Expected results:
VLAN created from kernel bond0 interface.
Additional info:
The OVS bridge and OVS port are user space only interface, VLAN should not
use them as parent.
Comment 1Beniamino Galvani
2021-01-14 09:01:40 UTC
The script creates an OVS bond named 'bond0' and then a Linux bond
with the same name. It also creates a VLAN with parent 'bond0';
however this is ambiguous because there are two interfaces with the
same name. In such cases it is possible to specify a connection UUID
as parent.
Yes, NM could be smarter and exclude the OVS bond because it doesn't
have a kernel link and therefore it can't be used a parent for the
VLAN. At the moment this doesn't happen because the code to look up
the parent is completely generic and doesn't care about device
types. Perhaps this can be improved.
(In reply to Petr Horáček from comment #3)
> Gris, does that mean that we would be able to create a VLAN using nmstate
> over a bonding attached to an OVS bridge with your workaround?
Yes. I am working on that.
Created attachment 1745535 [details] Reproduce script Description of problem: When both bond interface and OVS port profile are using the same `bond0` as `connection.interface-name`, cannot create VLAN over bond. Version-Release number of selected component (if applicable): NetworkManager-1.30.0-0.5.el8.x86_64 How reproducible: 100% Steps to Reproduce: 1. sudo ./bug.sh 2. 3. Actual results: Error: Connection activation failed: bond0.100 failed to create resources: cannot retrieve ifindex of interface bond0 (Open vSwitch Port) Expected results: VLAN created from kernel bond0 interface. Additional info: The OVS bridge and OVS port are user space only interface, VLAN should not use them as parent.