[  487.288166] netdevsim netdevsim293 eni293np1: renamed from eth0
[  487.384592] netdevsim netdevsim629 eni629np1: renamed from eth1
[  487.584797] Could not find device with ifindex 2000 in netnsfd 11
[  487.585096] Could not find netns with fd: 2000
[  487.585181] Cannot link a netdevsim to itself
[  487.585275] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).