[  472.910673] netdevsim netdevsim306 eni306np1: renamed from eth0
[  472.910867] netdevsim netdevsim594 eni594np1: renamed from eth1
[  472.989886] Could not find device with ifindex 2000 in netnsfd 11
[  472.990024] Could not find netns with fd: 2000
[  472.990150] Cannot link a netdevsim to itself
[  472.990265] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).