[  765.044274][T14650] netdevsim netdevsim426 eni426np1: renamed from eth0
[  765.057392][T14652] netdevsim netdevsim669 eni669np1: renamed from eth1
[  765.678484][T14638] Could not find device with ifindex 2000 in netnsfd 11
[  765.679130][T14638] Could not find netns with fd: 2000
[  765.679605][T14638] Cannot link a netdevsim to itself
[  765.680162][T14638] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).