[ 1050.794861][T12756] netdevsim netdevsim347 eni347np1: renamed from eth0
[ 1050.897891][T12752] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1052.853875][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1052.854858][T12748] Could not find netns with fd: 2000
[ 1052.855553][T12748] Cannot link a netdevsim to itself
[ 1052.856416][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).