[ 1242.731508][T12786] netdevsim netdevsim596 eni596np1: renamed from eth1
[ 1242.768418][T12789] netdevsim netdevsim473 eni473np1: renamed from eth0
[ 1245.669124][T12781] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.671029][T12781] Could not find netns with fd: 2000
[ 1245.672899][T12781] Cannot link a netdevsim to itself
[ 1245.674228][T12781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).