[ 1396.685820][T12850] netdevsim netdevsim652 eni652np1: renamed from eth1
[ 1396.759162][T12852] netdevsim netdevsim425 eni425np1: renamed from eth0
[ 1399.799008][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1399.802374][T12839] Could not find netns with fd: 2000
[ 1399.803823][T12839] Cannot link a netdevsim to itself
[ 1399.805633][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).