[  475.089917] netdevsim netdevsim336 eni336np1: renamed from eth0
[  475.187345] netdevsim netdevsim738 eni738np1: renamed from eth1
[  475.398061] Could not find device with ifindex 2000 in netnsfd 11
[  475.398245] Could not find netns with fd: 2000
[  475.398338] Cannot link a netdevsim to itself
[  475.398460] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).