Currently, when attempting the code below, the interface is moved into the network nam

And a git bisect points to <a class="commit-link" dat

Unable to move interface to network NS about pyroute2 HOT 5 OPEN

daghaian commented on August 29, 2024

Unable to move interface to network NS

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Comments (5)

svinota commented on August 29, 2024

Thanks for the feedback, investigating

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Shaun-3adesign commented on August 29, 2024

I'm also seeing this issue is there any update on a fix?

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tomkcook commented on August 29, 2024

Likewise, almost any attempt to move an interface to a namespace results in this error:

ndb.interfaces.create(ifname="veth0", kind="veth", target="test-ns").commit()
ndb.interfaces.create(ifname="veth0", kind="veth", net_ns_fd="test-ns").commit()
ndb.interfaces.create(ifname="veth0", kind="veth").set("target", "test-ns").commit()
ndb.interfaces.create(ifname="veth0", kind="veth").set("net_ns_fd", "test-ns").commit()

ndb.interfaces.create(ifname="veth0", kind="veth").commit()

with ndb.interfaces["veth0"] as dev:
    dev["target"] = "test-ns"

All give the same error.

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tomkcook commented on August 29, 2024

A quick bit of bisecting gives this working in pyroute2 0.7.6 but failing in 0.7.7.

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tomkcook commented on August 29, 2024

And a git bisect points to 8c6421b as the offending commit. For reference, the result was produced like this:

$ cat > test.py <<EOM
import pyroute2

try:
    ndb = pyroute2.NDB()
    ctx = ndb.begin()
    ctx.push(
        ns := ndb.netns.create("test-2"),
    )

    ctx.push(
        eth0 := ndb.interfaces.create(ifname="eth0", kind="veth", peer="eth0-1").set("target", "test-2")
    )
    ctx.commit()

    ctx = ndb.begin()
    ctx.push(ns.remove())
    ctx.commit()
except:
    exit(10)

exit(0)
EOM
$ python3 -m venv venv/
$ venv/bin/pip install -e .
$ git bisect start HEAD 0.7.6
$ git bisect run sudo venv/bin/python3 test.py

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