[  490.460493] netdevsim netdevsim320 eni320np1: renamed from eth0
[  490.460793] netdevsim netdevsim718 eni718np1: renamed from eth1
[  490.561658] Could not find device with ifindex 2000 in netnsfd 11
[  490.561757] Could not find netns with fd: 2000
[  490.561800] Cannot link a netdevsim to itself
[  490.561869] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).