[ 1007.855709][T12726] netdevsim netdevsim309 eni309np1: renamed from eth0
[ 1007.947061][T12676] netdevsim netdevsim733 eni733np1: renamed from eth1
[ 1009.842432][T12721] Could not find device with ifindex 2000 in netnsfd 11
[ 1009.843409][T12721] Could not find netns with fd: 2000
[ 1009.844063][T12721] Cannot link a netdevsim to itself
[ 1009.844995][T12721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).