[  940.581276][T12475] netdevsim netdevsim475 eni475np1: renamed from eth0
[  940.600236][T12645] netdevsim netdevsim557 eni557np1: renamed from eth1
[  942.170029][T12638] Could not find device with ifindex 2000 in netnsfd 11
[  942.171214][T12638] Could not find netns with fd: 2000
[  942.171810][T12638] Cannot link a netdevsim to itself
[  942.172454][T12638] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).