[ 1317.477176][T12060] netdevsim netdevsim399 eni399np1: renamed from eth0
[ 1317.579177][T12058] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1321.026955][T12052] Could not find device with ifindex 2000 in netnsfd 11
[ 1321.027769][T12052] Could not find netns with fd: 2000
[ 1321.028476][T12052] Cannot link a netdevsim to itself
[ 1321.029273][T12052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).