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I created a specific bridge br1 and would like to bind a specific container cont1 to that bridge. I have lxc and lxd installed, if that matters (I am not sure what the difference between them really is).

I disabled the briging to lxcbr0 in /etc/default-lxc-net and created the /var/lib/lxc/cont1/config file with

lxc.network.type = veth
lxc.network.flags = up
lxc.network.link = br1
lxc.network.name = eth0
lxc.network.ipv4 = 10.10.11.0/24
lxc.network.ipv4.gateway = 10.10.11.11

but lxc cont1 start fails with (among other log info)

lxc 20160313185746.671 ERROR    lxc_conf - conf.c:instantiate_veth:2590 - failed to attach 'vethM1YGJS' to the bridge 'lxcbr0': Operation not permitted
lxc 20160313185746.741 ERROR    lxc_conf - conf.c:lxc_create_network:2867 - failed to create netdev
lxc 20160313185746.741 ERROR    lxc_start - start.c:lxc_spawn:1023 - failed to create the network
lxc 20160313185746.741 ERROR    lxc_start - start.c:__lxc_start:1286 - failed to spawn 'cont1'

It looks like that there is a command (?) to make this configuration but I found no documentation on that subject.

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  • Right now I have the same issue! I am working on it! Will update you if I can get it up. Since it's already a year, I think you would have got some solution. Update it here if you are out of this issue! – Thushi Jul 12 '17 at 13:13

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