[  484.170811] netdevsim netdevsim351 eni351np1: renamed from eth0
[  484.171735] netdevsim netdevsim649 eni649np1: renamed from eth1
[  484.252461] Could not find device with ifindex 2000 in netnsfd 11
[  484.252550] Could not find netns with fd: 2000
[  484.252599] Cannot link a netdevsim to itself
[  484.252651] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).