[ 1309.758333][T13052] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1309.882732][T13053] netdevsim netdevsim372 eni372np1: renamed from eth0
[ 1312.476500][T13040] Could not find device with ifindex 2000 in netnsfd 11
[ 1312.478688][T13040] Could not find netns with fd: 2000
[ 1312.479674][T13040] Cannot link a netdevsim to itself
[ 1312.480770][T13040] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).