[  485.035962] netdevsim netdevsim480 eni480np1: renamed from eth0
[  485.137226] netdevsim netdevsim727 eni727np1: renamed from eth1
[  485.470976] Could not find device with ifindex 2000 in netnsfd 11
[  485.471145] Could not find netns with fd: 2000
[  485.471245] Cannot link a netdevsim to itself
[  485.471361] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).