[ 1022.958979][T12645] netdevsim netdevsim652 eni652np1: renamed from eth1
[ 1023.070969][T12578] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1025.035262][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.036795][T12724] Could not find netns with fd: 2000
[ 1025.037977][T12724] Cannot link a netdevsim to itself
[ 1025.039222][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).