[  488.989678] netdevsim netdevsim318 eni318np1: renamed from eth0
[  488.990211] netdevsim netdevsim694 eni694np1: renamed from eth1
[  489.069058] Could not find device with ifindex 2000 in netnsfd 11
[  489.069233] Could not find netns with fd: 2000
[  489.069344] Cannot link a netdevsim to itself
[  489.069466] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).