[  489.650702] netdevsim netdevsim616 eni616np1: renamed from eth1
[  489.747167] netdevsim netdevsim334 eni334np1: renamed from eth0
[  489.949517] Could not find device with ifindex 2000 in netnsfd 11
[  489.949764] Could not find netns with fd: 2000
[  489.949848] Cannot link a netdevsim to itself
[  489.949956] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).