[ 1189.704145][T12681] netdevsim netdevsim307 eni307np1: renamed from eth0
[ 1189.726158][T12679] netdevsim netdevsim767 eni767np1: renamed from eth1
[ 1192.351237][T12673] Could not find device with ifindex 2000 in netnsfd 11
[ 1192.352655][T12673] Could not find netns with fd: 2000
[ 1192.353554][T12673] Cannot link a netdevsim to itself
[ 1192.354644][T12673] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).