[ 1294.915106][T12849] netdevsim netdevsim473 eni473np1: renamed from eth0
[ 1294.978426][T12847] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1297.773830][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1297.776136][T12837] Could not find netns with fd: 2000
[ 1297.777149][T12837] Cannot link a netdevsim to itself
[ 1297.778486][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).