[  522.043344] netdevsim netdevsim279 eni279np1: renamed from eth0
[  522.141227] netdevsim netdevsim619 eni619np1: renamed from eth1
[  522.405395] Could not find device with ifindex 2000 in netnsfd 11
[  522.405610] Could not find netns with fd: 2000
[  522.405711] Cannot link a netdevsim to itself
[  522.405811] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).