[  846.251517][T14761] netdevsim netdevsim424 eni424np1: renamed from eth0
[  846.265421][T14763] netdevsim netdevsim661 eni661np1: renamed from eth1
[  846.883320][T14749] Could not find device with ifindex 2000 in netnsfd 11
[  846.884623][T14749] Could not find netns with fd: 2000
[  846.885265][T14749] Cannot link a netdevsim to itself
[  846.886066][T14749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).