[  861.402493][T15796] netdevsim netdevsim451 eni451np1: renamed from eth0
[  861.439833][T15794] netdevsim netdevsim575 eni575np1: renamed from eth1
[  862.260505][T15783] Could not find device with ifindex 2000 in netnsfd 11
[  862.261624][T15783] Could not find netns with fd: 2000
[  862.262902][T15783] Cannot link a netdevsim to itself
[  862.263881][T15783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).