[  480.212074] netdevsim netdevsim414 eni414np1: renamed from eth0
[  480.313630] netdevsim netdevsim603 eni603np1: renamed from eth1
[  480.655272] Could not find device with ifindex 2000 in netnsfd 11
[  480.655435] Could not find netns with fd: 2000
[  480.655524] Cannot link a netdevsim to itself
[  480.655624] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).