[  474.330095] netdevsim netdevsim583 eni583np1: renamed from eth1
[  474.330850] netdevsim netdevsim290 eni290np1: renamed from eth0
[  474.408018] Could not find device with ifindex 2000 in netnsfd 11
[  474.408161] Could not find netns with fd: 2000
[  474.408274] Cannot link a netdevsim to itself
[  474.408409] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).