[  490.255246] netdevsim netdevsim498 eni498np1: renamed from eth0
[  490.353389] netdevsim netdevsim698 eni698np1: renamed from eth1
[  490.578200] Could not find device with ifindex 2000 in netnsfd 11
[  490.578425] Could not find netns with fd: 2000
[  490.578523] Cannot link a netdevsim to itself
[  490.578632] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).