[ 1239.262180][T11142] netdevsim netdevsim511 eni511np1: renamed from eth0
[ 1239.271545][T11144] netdevsim netdevsim567 eni567np1: renamed from eth1
[ 1242.664597][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.665366][T11134] Could not find netns with fd: 2000
[ 1242.665944][T11134] Cannot link a netdevsim to itself
[ 1242.666719][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).