[  699.593152][T13049] netdevsim netdevsim276 eni276np1: renamed from eth0
[  699.614015][T13051] netdevsim netdevsim647 eni647np1: renamed from eth1
[  700.241546][T13037] Could not find device with ifindex 2000 in netnsfd 11
[  700.242420][T13037] Could not find netns with fd: 2000
[  700.242829][T13037] Cannot link a netdevsim to itself
[  700.243296][T13037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).