[  493.706101] netdevsim netdevsim444 eni444np1: renamed from eth0
[  493.707018] netdevsim netdevsim605 eni605np1: renamed from eth0
[  493.797566] Could not find device with ifindex 2000 in netnsfd 11
[  493.797728] Could not find netns with fd: 2000
[  493.797848] Cannot link a netdevsim to itself
[  493.797992] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).