[ 1232.151205][T11152] netdevsim netdevsim612 eni612np1: renamed from eth1
[ 1232.182139][T11153] netdevsim netdevsim298 eni298np1: renamed from eth0
[ 1235.469650][T11145] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.470350][T11145] Could not find netns with fd: 2000
[ 1235.470938][T11145] Cannot link a netdevsim to itself
[ 1235.471666][T11145] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).