[  937.630542][T12579] netdevsim netdevsim467 eni467np1: renamed from eth0
[  937.639724][T12580] netdevsim netdevsim567 eni567np1: renamed from eth1
[  939.117922][T12572] Could not find device with ifindex 2000 in netnsfd 11
[  939.118856][T12572] Could not find netns with fd: 2000
[  939.125905][T12572] Cannot link a netdevsim to itself
[  939.127021][T12572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).