[  485.575826] netdevsim netdevsim432 eni432np1: renamed from eth0
[  485.676196] netdevsim netdevsim661 eni661np1: renamed from eth1
[  486.025265] Could not find device with ifindex 2000 in netnsfd 11
[  486.025402] Could not find netns with fd: 2000
[  486.025480] Cannot link a netdevsim to itself
[  486.025570] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).