[ 1268.296795][T12848] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1268.306762][T12846] netdevsim netdevsim690 eni690np1: renamed from eth1
[ 1270.939882][T12834] Could not find device with ifindex 2000 in netnsfd 11
[ 1270.943597][T12834] Could not find netns with fd: 2000
[ 1270.945074][T12834] Cannot link a netdevsim to itself
[ 1270.947306][T12834] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).