[  491.204872] netdevsim netdevsim393 eni393np1: renamed from eth0
[  491.205718] netdevsim netdevsim683 eni683np1: renamed from eth0
[  491.296299] Could not find device with ifindex 2000 in netnsfd 11
[  491.296468] Could not find netns with fd: 2000
[  491.296585] Cannot link a netdevsim to itself
[  491.296722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).