[  486.276625] netdevsim netdevsim597 eni597np1: renamed from eth1
[  486.373585] netdevsim netdevsim374 eni374np1: renamed from eth0
[  486.566003] Could not find device with ifindex 2000 in netnsfd 11
[  486.566269] Could not find netns with fd: 2000
[  486.566341] Cannot link a netdevsim to itself
[  486.566427] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).