[  486.772636] netdevsim netdevsim765 eni765np1: renamed from eth1
[  486.868459] netdevsim netdevsim396 eni396np1: renamed from eth0
[  487.113672] Could not find device with ifindex 2000 in netnsfd 11
[  487.114153] Could not find netns with fd: 2000
[  487.114252] Cannot link a netdevsim to itself
[  487.114374] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).