[  487.019802] netdevsim netdevsim288 eni288np1: renamed from eth0
[  487.121348] netdevsim netdevsim530 eni530np1: renamed from eth1
[  487.524903] Could not find device with ifindex 2000 in netnsfd 11
[  487.525066] Could not find netns with fd: 2000
[  487.525149] Cannot link a netdevsim to itself
[  487.525278] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).