[ 1007.904920][T12631] netdevsim netdevsim516 eni516np1: renamed from eth1
[ 1007.998859][T12582] netdevsim netdevsim379 eni379np1: renamed from eth0
[ 1009.791932][T12626] Could not find device with ifindex 2000 in netnsfd 11
[ 1009.793037][T12626] Could not find netns with fd: 2000
[ 1009.793686][T12626] Cannot link a netdevsim to itself
[ 1009.794418][T12626] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).