[  491.629428] netdevsim netdevsim286 eni286np1: renamed from eth0
[  491.730371] netdevsim netdevsim565 eni565np1: renamed from eth1
[  492.080780] Could not find device with ifindex 2000 in netnsfd 11
[  492.080938] Could not find netns with fd: 2000
[  492.081025] Cannot link a netdevsim to itself
[  492.081120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).