[ 1034.541358][T12754] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1034.644589][T12753] netdevsim netdevsim515 eni515np1: renamed from eth1
[ 1036.599000][T12746] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.599977][T12746] Could not find netns with fd: 2000
[ 1036.600661][T12746] Cannot link a netdevsim to itself
[ 1036.601448][T12746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).