[  481.646811] netdevsim netdevsim502 eni502np1: renamed from eth0
[  481.748350] netdevsim netdevsim706 eni706np1: renamed from eth1
[  482.106819] Could not find device with ifindex 2000 in netnsfd 11
[  482.106968] Could not find netns with fd: 2000
[  482.107047] Cannot link a netdevsim to itself
[  482.107155] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).