[ 1233.079954][T11149] netdevsim netdevsim764 eni764np1: renamed from eth1
[ 1233.195186][T11150] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1236.483657][T11142] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.484362][T11142] Could not find netns with fd: 2000
[ 1236.485171][T11142] Cannot link a netdevsim to itself
[ 1236.485853][T11142] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).