[  486.470527] netdevsim netdevsim406 eni406np1: renamed from eth0
[  486.571890] netdevsim netdevsim619 eni619np1: renamed from eth1
[  486.881339] Could not find device with ifindex 2000 in netnsfd 11
[  486.881467] Could not find netns with fd: 2000
[  486.881544] Cannot link a netdevsim to itself
[  486.881645] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).