[  551.473977] netdevsim netdevsim333 eni333np1: renamed from eth0
[  551.571199] netdevsim netdevsim518 eni518np1: renamed from eth1
[  551.822341] Could not find device with ifindex 2000 in netnsfd 11
[  551.822552] Could not find netns with fd: 2000
[  551.822632] Cannot link a netdevsim to itself
[  551.822726] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).