[ 1019.608211][T12581] netdevsim netdevsim486 eni486np1: renamed from eth0
[ 1019.623798][T12649] netdevsim netdevsim563 eni563np1: renamed from eth1
[ 1021.376178][T12726] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.382279][T12726] Could not find netns with fd: 2000
[ 1021.383214][T12726] Cannot link a netdevsim to itself
[ 1021.383965][T12726] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).