[  696.844149][T13055] netdevsim netdevsim487 eni487np1: renamed from eth0
[  696.863978][T13057] netdevsim netdevsim689 eni689np1: renamed from eth1
[  697.502463][T13043] Could not find device with ifindex 2000 in netnsfd 11
[  697.503405][T13043] Could not find netns with fd: 2000
[  697.503905][T13043] Cannot link a netdevsim to itself
[  697.504526][T13043] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).