[ 1023.486042][T12730] netdevsim netdevsim356 eni356np1: renamed from eth0
[ 1023.597452][T12680] netdevsim netdevsim722 eni722np1: renamed from eth1
[ 1025.441101][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.442622][T12724] Could not find netns with fd: 2000
[ 1025.443699][T12724] Cannot link a netdevsim to itself
[ 1025.445039][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).