[  489.991452] netdevsim netdevsim279 eni279np1: renamed from eth0
[  490.092825] netdevsim netdevsim616 eni616np1: renamed from eth1
[  490.414272] Could not find device with ifindex 2000 in netnsfd 11
[  490.414405] Could not find netns with fd: 2000
[  490.414489] Cannot link a netdevsim to itself
[  490.414577] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).