[  524.288523] netdevsim netdevsim302 eni302np1: renamed from eth0
[  524.385703] netdevsim netdevsim707 eni707np1: renamed from eth1
[  524.624499] Could not find device with ifindex 2000 in netnsfd 11
[  524.624722] Could not find netns with fd: 2000
[  524.624836] Cannot link a netdevsim to itself
[  524.624947] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).