[  853.248877][T15875] netdevsim netdevsim428 eni428np1: renamed from eth0
[  853.267654][T15876] netdevsim netdevsim638 eni638np1: renamed from eth1
[  853.920490][T15864] Could not find device with ifindex 2000 in netnsfd 11
[  853.921174][T15864] Could not find netns with fd: 2000
[  853.921660][T15864] Cannot link a netdevsim to itself
[  853.922172][T15864] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).