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networkop avatar networkop commented on August 26, 2024

I think that kernel version got updated but they didn't bump the version number, so I didn't detect it. I've build the new kernel image from the kernel extracted from 5.0 image: networkop/cl-kernel:5.0.1
Can you try specifying kernel: docker.io/networkop/cl-kernel:5.0.1 and see if you still see any errors?

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networkop avatar networkop commented on August 26, 2024

btw, I've discovered another bug that manifests itself when you don't set the system-mac explicitly. If you're seeing an error when ifreload tries to set a system mac, try using networkop/cx:5.0.4

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jhlasnik avatar jhlasnik commented on August 26, 2024

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jhlasnik avatar jhlasnik commented on August 26, 2024

So I did test setting the kernel on 5.0.1 and 5.0.4 and I'm still seeing those same errors on bootup with the system mac set.

root@clab-cx-sw1:mgmt:~# more /var/log/syslog | grep -E NetlinkError
2022-06-22T13:20:55.331706+00:00 1d58c2642a4b6fbd networking[4057]:     raise NetlinkError(e, "cannot set dev %s address %s" % (ifname, hw_address), ifname=ifname)
2022-06-22T13:20:55.331849+00:00 1d58c2642a4b6fbd networking[4057]: lib.nlcache.NetlinkError: netlink: br_default: cannot set dev br_default address 89:b8:73:18:ad:e3: operation failed with 'Cannot assign requested address' (99)
2022-06-22T13:20:55.497630+00:00 1d58c2642a4b6fbd networking[4057]:     raise NetlinkError(e, "cannot set dev %s address %s" % (ifname, hw_address), ifname=ifname)
2022-06-22T13:20:55.497739+00:00 1d58c2642a4b6fbd networking[4057]: lib.nlcache.NetlinkError: netlink: vlan10: cannot set dev vlan10 address 89:b8:73:18:ad:e3: operation failed with 'Cannot assign requested address' (99)
2022-06-22T13:20:55.636432+00:00 1d58c2642a4b6fbd networking[4057]:     raise NetlinkError(e, "cannot set dev %s address %s" % (ifname, hw_address), ifname=ifname)
2022-06-22T13:20:55.636611+00:00 1d58c2642a4b6fbd networking[4057]: lib.nlcache.NetlinkError: netlink: vlan30: cannot set dev vlan30 address 89:b8:73:18:ad:e3: operation failed with 'Cannot assign requested address' (99)
2022-06-22T13:20:55.882610+00:00 1d58c2642a4b6fbd networking[4057]:     raise NetlinkError(e, "cannot set dev %s address %s" % (ifname, hw_address), ifname=ifname)
2022-06-22T13:20:55.882778+00:00 1d58c2642a4b6fbd networking[4057]: lib.nlcache.NetlinkError: netlink: br_l3vni: cannot set dev br_l3vni address 89:b8:73:18:ad:e3: operation failed with 'Cannot assign requested address' (99)
2022-06-22T13:20:56.126300+00:00 1d58c2642a4b6fbd networking[4057]:     raise NetlinkError(e, "cannot set dev %s address %s" % (ifname, hw_address), ifname=ifname)
2022-06-22T13:20:56.126508+00:00 1d58c2642a4b6fbd networking[4057]: lib.nlcache.NetlinkError: netlink: vlan20: cannot set dev vlan20 address 89:b8:73:18:ad:e3: operation failed with 'Cannot assign requested address' (99)
2022-06-22T13:20:56.278890+00:00 1d58c2642a4b6fbd networking[4057]:     raise NetlinkError(e, "cannot set dev %s address %s" % (ifname, hw_address), ifname=ifname)
2022-06-22T13:20:56.279057+00:00 1d58c2642a4b6fbd networking[4057]: lib.nlcache.NetlinkError: netlink: vlan40: cannot set dev vlan40 address 89:b8:73:18:ad:e3: operation failed with 'Cannot assign requested address' (99)

# topology documentation:
name: cx
topology:
  nodes:
    sw1:
      kind: cvx
      image: networkop/cx:5.0.4
      kernel: docker.io/networkop/cl-kernel:5.0.1
      binds:
        - hosts/clab-cx-sw1/startup.yaml:/etc/nvue.d/startup.yaml
    sw2:
      kind: cvx
      image: networkop/cx:5.0.4
      kernel: docker.io/networkop/cl-kernel:5.0.1
      binds:
        - hosts/clab-cx-sw2/startup.yaml:/etc/nvue.d/startup.yaml

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networkop avatar networkop commented on August 26, 2024

can you share the SVG file you get using systemd-analyze plot > boot.svg?

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jhlasnik avatar jhlasnik commented on August 26, 2024

File attached

boot

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networkop avatar networkop commented on August 26, 2024

it seems to work fine in my case. I think it could be down to the background CPU noise and race conditions.
It will work if you manually do a systemctl restart sys-mac-shot. As you can see from this graph, I've tried to put it as close to the end as possible.
The right way for me would be to try and locate how/why the wrong(multicast) MAC is being set in /run/system_mac and try to correct/patch that. However so far I couldn't find it.
So what I'll do instead is release another version where I'll delay the sys-mac-shot execution by, say 10 seconds. This happens after network-online so it should delay the time to login.

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networkop avatar networkop commented on August 26, 2024

networkop/cx:5.0.5 is out with the patch.

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networkop avatar networkop commented on August 26, 2024

Looks like I've found where the MAC bug is coming from.

cx/hacks/decode-syseeprom.5.1

Line 373 in 5f8dc60

from uuid import getnode as get_mac

and
https://docs.python.org/3/library/uuid.html#uuid.getnode

If all attempts to obtain the hardware address fail, we choose a random 48-bit number with the multicast bit (least significant bit of the first octet) set to 1 as recommended in [RFC 4122](https://tools.ietf.org/html/rfc4122.html).

thanks to https://stackoverflow.com/a/159195

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networkop avatar networkop commented on August 26, 2024

this should be fixed in networkop/cx:5.0.6

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