[  459.376657] netdevsim netdevsim348 eni348np1: renamed from eth0
[  459.377243] netdevsim netdevsim608 eni608np1: renamed from eth1
[  459.468177] Could not find device with ifindex 2000 in netnsfd 11
[  459.468289] Could not find netns with fd: 2000
[  459.468336] Cannot link a netdevsim to itself
[  459.468395] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).