[  486.075764] netdevsim netdevsim491 eni491np1: renamed from eth0
[  486.078174] netdevsim netdevsim695 eni695np1: renamed from eth1
[  486.164047] Could not find device with ifindex 2000 in netnsfd 11
[  486.164143] Could not find netns with fd: 2000
[  486.164188] Cannot link a netdevsim to itself
[  486.164248] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).