[  474.481163] netdevsim netdevsim473 eni473np1: renamed from eth0
[  474.482273] netdevsim netdevsim659 eni659np1: renamed from eth1
[  474.562423] Could not find device with ifindex 2000 in netnsfd 11
[  474.562515] Could not find netns with fd: 2000
[  474.562560] Cannot link a netdevsim to itself
[  474.562616] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).