[  489.882102] netdevsim netdevsim624 eni624np1: renamed from eth1
[  489.977461] netdevsim netdevsim280 eni280np1: renamed from eth0
[  490.205747] Could not find device with ifindex 2000 in netnsfd 11
[  490.206053] Could not find netns with fd: 2000
[  490.206166] Cannot link a netdevsim to itself
[  490.206299] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).