[ 1004.932037][T12588] netdevsim netdevsim480 eni480np1: renamed from eth0
[ 1005.041140][T12637] netdevsim netdevsim633 eni633np1: renamed from eth1
[ 1006.845774][T12632] Could not find device with ifindex 2000 in netnsfd 11
[ 1006.846757][T12632] Could not find netns with fd: 2000
[ 1006.847464][T12632] Cannot link a netdevsim to itself
[ 1006.848276][T12632] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).