[  482.857056] netdevsim netdevsim409 eni409np1: renamed from eth0
[  482.857655] netdevsim netdevsim601 eni601np1: renamed from eth1
[  482.944386] Could not find device with ifindex 2000 in netnsfd 11
[  482.944516] Could not find netns with fd: 2000
[  482.944618] Cannot link a netdevsim to itself
[  482.944729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).