[ 1029.444987][T12643] netdevsim netdevsim464 eni464np1: renamed from eth0
[ 1029.560766][T12645] netdevsim netdevsim731 eni731np1: renamed from eth1
[ 1031.450157][T12722] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.451294][T12722] Could not find netns with fd: 2000
[ 1031.451992][T12722] Cannot link a netdevsim to itself
[ 1031.452839][T12722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).