[ 1240.950573][T12791] netdevsim netdevsim417 eni417np1: renamed from eth0
[ 1241.077114][T12790] netdevsim netdevsim721 eni721np1: renamed from eth1
[ 1243.689906][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.691271][T12778] Could not find netns with fd: 2000
[ 1243.692393][T12778] Cannot link a netdevsim to itself
[ 1243.694021][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).