[  488.860611] netdevsim netdevsim484 eni484np1: renamed from eth0
[  488.961628] netdevsim netdevsim654 eni654np1: renamed from eth1
[  489.343184] Could not find device with ifindex 2000 in netnsfd 11
[  489.343340] Could not find netns with fd: 2000
[  489.343432] Cannot link a netdevsim to itself
[  489.343532] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).