[  472.212949] netdevsim netdevsim424 eni424np1: renamed from eth0
[  472.213519] netdevsim netdevsim567 eni567np1: renamed from eth1
[  472.292489] Could not find device with ifindex 2000 in netnsfd 11
[  472.292564] Could not find netns with fd: 2000
[  472.292606] Cannot link a netdevsim to itself
[  472.292660] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).