[  489.571954] netdevsim netdevsim398 eni398np1: renamed from eth0
[  489.573240] netdevsim netdevsim594 eni594np1: renamed from eth1
[  489.654102] Could not find device with ifindex 2000 in netnsfd 11
[  489.654200] Could not find netns with fd: 2000
[  489.654242] Cannot link a netdevsim to itself
[  489.654291] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).