[ 1430.434243][T12517] netdevsim netdevsim320 eni320np1: renamed from eth0
[ 1430.545090][T12518] netdevsim netdevsim526 eni526np1: renamed from eth1
[ 1434.293344][T12511] Could not find device with ifindex 2000 in netnsfd 11
[ 1434.294246][T12511] Could not find netns with fd: 2000
[ 1434.294934][T12511] Cannot link a netdevsim to itself
[ 1434.295717][T12511] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).