[  820.595357][T16090] netdevsim netdevsim431 eni431np1: renamed from eth0
[  820.606931][T16091] netdevsim netdevsim608 eni608np1: renamed from eth1
[  821.237457][T16077] Could not find device with ifindex 2000 in netnsfd 11
[  821.238121][T16077] Could not find netns with fd: 2000
[  821.238596][T16077] Cannot link a netdevsim to itself
[  821.239110][T16077] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).