[  522.506981] netdevsim netdevsim551 eni551np1: renamed from eth1
[  522.604534] netdevsim netdevsim264 eni264np1: renamed from eth0
[  522.833425] Could not find device with ifindex 2000 in netnsfd 11
[  522.833631] Could not find netns with fd: 2000
[  522.833717] Cannot link a netdevsim to itself
[  522.833813] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).