[  526.299182] netdevsim netdevsim699 eni699np1: renamed from eth1
[  526.396440] netdevsim netdevsim365 eni365np1: renamed from eth0
[  526.684610] Could not find device with ifindex 2000 in netnsfd 11
[  526.684826] Could not find netns with fd: 2000
[  526.684934] Cannot link a netdevsim to itself
[  526.685060] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).