[ 1286.114721][T12858] netdevsim netdevsim726 eni726np1: renamed from eth1
[ 1286.180443][T12859] netdevsim netdevsim286 eni286np1: renamed from eth0
[ 1288.942889][T12848] Could not find device with ifindex 2000 in netnsfd 11
[ 1288.944480][T12848] Could not find netns with fd: 2000
[ 1288.945423][T12848] Cannot link a netdevsim to itself
[ 1288.946512][T12848] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).