[ 1026.598856][T12725] netdevsim netdevsim670 eni670np1: renamed from eth1
[ 1026.707660][T12675] netdevsim netdevsim287 eni287np1: renamed from eth0
[ 1028.551802][T12720] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.552757][T12720] Could not find netns with fd: 2000
[ 1028.553431][T12720] Cannot link a netdevsim to itself
[ 1028.554269][T12720] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).