[  524.066221] netdevsim netdevsim685 eni685np1: renamed from eth1
[  524.163669] netdevsim netdevsim265 eni265np1: renamed from eth0
[  524.415570] Could not find device with ifindex 2000 in netnsfd 11
[  524.415738] Could not find netns with fd: 2000
[  524.415829] Cannot link a netdevsim to itself
[  524.415941] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).