[ 1273.275674][T12851] netdevsim netdevsim331 eni331np1: renamed from eth0
[ 1273.383774][T12854] netdevsim netdevsim598 eni598np1: renamed from eth1
[ 1275.874816][T12841] Could not find device with ifindex 2000 in netnsfd 11
[ 1275.877474][T12841] Could not find netns with fd: 2000
[ 1275.878405][T12841] Cannot link a netdevsim to itself
[ 1275.879495][T12841] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).