[ 1022.039367][T12585] netdevsim netdevsim378 eni378np1: renamed from eth0
[ 1022.156536][T12582] netdevsim netdevsim640 eni640np1: renamed from eth1
[ 1024.075772][T12576] Could not find device with ifindex 2000 in netnsfd 11
[ 1024.076782][T12576] Could not find netns with fd: 2000
[ 1024.077586][T12576] Cannot link a netdevsim to itself
[ 1024.078483][T12576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).