[  480.552631] netdevsim netdevsim414 eni414np1: renamed from eth0
[  480.652972] netdevsim netdevsim750 eni750np1: renamed from eth1
[  480.943787] Could not find device with ifindex 2000 in netnsfd 11
[  480.943947] Could not find netns with fd: 2000
[  480.944032] Cannot link a netdevsim to itself
[  480.944137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).