[  492.168851] netdevsim netdevsim587 eni587np1: renamed from eth1
[  492.265530] netdevsim netdevsim467 eni467np1: renamed from eth0
[  492.486646] Could not find device with ifindex 2000 in netnsfd 11
[  492.486994] Could not find netns with fd: 2000
[  492.487094] Cannot link a netdevsim to itself
[  492.487181] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).