[ 1334.675857][T13157] netdevsim netdevsim741 eni741np1: renamed from eth1
[ 1334.783555][T13160] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1337.394304][T13147] Could not find device with ifindex 2000 in netnsfd 11
[ 1337.396419][T13147] Could not find netns with fd: 2000
[ 1337.397395][T13147] Cannot link a netdevsim to itself
[ 1337.398626][T13147] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).