[  770.904866][T14561] netdevsim netdevsim495 eni495np1: renamed from eth0
[  770.923824][T14563] netdevsim netdevsim546 eni546np1: renamed from eth1
[  771.655313][T14549] Could not find device with ifindex 2000 in netnsfd 11
[  771.656124][T14549] Could not find netns with fd: 2000
[  771.656723][T14549] Cannot link a netdevsim to itself
[  771.657465][T14549] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).