[ 1019.859405][T12070] netdevsim netdevsim711 eni711np1: renamed from eth1
[ 1019.882042][T12132] netdevsim netdevsim438 eni438np1: renamed from eth0
[ 1021.642638][T12555] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.643529][T12555] Could not find netns with fd: 2000
[ 1021.644277][T12555] Cannot link a netdevsim to itself
[ 1021.645067][T12555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).