[  875.832923][T14797] netdevsim netdevsim335 eni335np1: renamed from eth0
[  875.844826][T14799] netdevsim netdevsim603 eni603np1: renamed from eth1
[  876.471818][T14785] Could not find device with ifindex 2000 in netnsfd 11
[  876.472617][T14785] Could not find netns with fd: 2000
[  876.472999][T14785] Cannot link a netdevsim to itself
[  876.473457][T14785] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).