[  751.555214][T14565] netdevsim netdevsim440 eni440np1: renamed from eth0
[  751.577655][T14567] netdevsim netdevsim591 eni591np1: renamed from eth1
[  752.120846][T14553] Could not find device with ifindex 2000 in netnsfd 11
[  752.121343][T14553] Could not find netns with fd: 2000
[  752.121703][T14553] Cannot link a netdevsim to itself
[  752.122113][T14553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).