[ 1223.614817][T12638] netdevsim netdevsim751 eni751np1: renamed from eth1
[ 1223.617542][T12640] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1226.178861][T12628] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.180964][T12628] Could not find netns with fd: 2000
[ 1226.181848][T12628] Cannot link a netdevsim to itself
[ 1226.182950][T12628] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).