[ 1021.031389][T12651] netdevsim netdevsim731 eni731np1: renamed from eth1
[ 1021.137988][T12580] netdevsim netdevsim284 eni284np1: renamed from eth0
[ 1022.820825][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.822356][T12727] Could not find netns with fd: 2000
[ 1022.823517][T12727] Cannot link a netdevsim to itself
[ 1022.824836][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).