[ 1311.049405][T12062] netdevsim netdevsim306 eni306np1: renamed from eth0
[ 1311.156422][T12061] netdevsim netdevsim538 eni538np1: renamed from eth1
[ 1314.765832][T12054] Could not find device with ifindex 2000 in netnsfd 11
[ 1314.766656][T12054] Could not find netns with fd: 2000
[ 1314.767307][T12054] Cannot link a netdevsim to itself
[ 1314.768361][T12054] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).