[  697.042306][T13035] netdevsim netdevsim272 eni272np1: renamed from eth0
[  697.056705][T13037] netdevsim netdevsim536 eni536np1: renamed from eth1
[  697.687159][T13022] Could not find device with ifindex 2000 in netnsfd 11
[  697.688080][T13022] Could not find netns with fd: 2000
[  697.688580][T13022] Cannot link a netdevsim to itself
[  697.689173][T13022] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).