[ 1282.286056][T13024] netdevsim netdevsim721 eni721np1: renamed from eth1
[ 1282.290155][T13023] netdevsim netdevsim302 eni302np1: renamed from eth0
[ 1284.809807][T13010] Could not find device with ifindex 2000 in netnsfd 11
[ 1284.812353][T13010] Could not find netns with fd: 2000
[ 1284.813801][T13010] Cannot link a netdevsim to itself
[ 1284.815620][T13010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).