[  484.981495] netdevsim netdevsim306 eni306np1: renamed from eth0
[  485.082333] netdevsim netdevsim672 eni672np1: renamed from eth1
[  485.435398] Could not find device with ifindex 2000 in netnsfd 11
[  485.435539] Could not find netns with fd: 2000
[  485.435604] Cannot link a netdevsim to itself
[  485.435709] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).