[ 1060.761712][ T9952] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1060.883036][ T9953] netdevsim netdevsim704 eni704np1: renamed from eth1
[ 1063.142370][ T9938] Could not find device with ifindex 2000 in netnsfd 11
[ 1063.143414][ T9938] Could not find netns with fd: 2000
[ 1063.144390][ T9938] Cannot link a netdevsim to itself
[ 1063.145454][ T9938] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).