[  760.838919][T14746] netdevsim netdevsim302 eni302np1: renamed from eth0
[  760.857306][T14749] netdevsim netdevsim531 eni531np1: renamed from eth1
[  761.367477][T14734] Could not find device with ifindex 2000 in netnsfd 11
[  761.368022][T14734] Could not find netns with fd: 2000
[  761.368391][T14734] Cannot link a netdevsim to itself
[  761.368803][T14734] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).