[ 1238.224808][T13051] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1238.346110][T13048] netdevsim netdevsim518 eni518np1: renamed from eth1
[ 1240.869147][T13038] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.870331][T13038] Could not find netns with fd: 2000
[ 1240.871249][T13038] Cannot link a netdevsim to itself
[ 1240.872367][T13038] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).