[  459.291476] netdevsim netdevsim475 eni475np1: renamed from eth0
[  459.292614] netdevsim netdevsim530 eni530np1: renamed from eth0
[  459.373984] Could not find device with ifindex 2000 in netnsfd 11
[  459.374079] Could not find netns with fd: 2000
[  459.374123] Cannot link a netdevsim to itself
[  459.374169] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).