[ 1233.006878][T11141] netdevsim netdevsim394 eni394np1: renamed from eth0
[ 1233.094887][T11142] netdevsim netdevsim574 eni574np1: renamed from eth1
[ 1236.395536][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.396708][T11133] Could not find netns with fd: 2000
[ 1236.397624][T11133] Cannot link a netdevsim to itself
[ 1236.398731][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).