[  743.199508][T13073] netdevsim netdevsim480 eni480np1: renamed from eth0
[  743.221425][T13074] netdevsim netdevsim683 eni683np1: renamed from eth1
[  743.965083][T13061] Could not find device with ifindex 2000 in netnsfd 11
[  743.965929][T13061] Could not find netns with fd: 2000
[  743.966435][T13061] Cannot link a netdevsim to itself
[  743.967012][T13061] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).