[  454.817083] netdevsim netdevsim298 eni298np1: renamed from eth0
[  454.818468] netdevsim netdevsim590 eni590np1: renamed from eth1
[  454.902739] Could not find device with ifindex 2000 in netnsfd 11
[  454.902897] Could not find netns with fd: 2000
[  454.902997] Cannot link a netdevsim to itself
[  454.903126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).