[ 1020.986534][T12076] netdevsim netdevsim276 eni276np1: renamed from eth0
[ 1021.079630][T12079] netdevsim netdevsim596 eni596np1: renamed from eth1
[ 1023.139425][T12565] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.140723][T12565] Could not find netns with fd: 2000
[ 1023.141798][T12565] Cannot link a netdevsim to itself
[ 1023.143433][T12565] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).