[ 1308.610715][T13150] netdevsim netdevsim506 eni506np1: renamed from eth0
[ 1308.722461][T13146] netdevsim netdevsim572 eni572np1: renamed from eth1
[ 1311.312618][T13137] Could not find device with ifindex 2000 in netnsfd 11
[ 1311.316216][T13137] Could not find netns with fd: 2000
[ 1311.317690][T13137] Cannot link a netdevsim to itself
[ 1311.320302][T13137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).