[ 1023.114936][T12734] netdevsim netdevsim454 eni454np1: renamed from eth0
[ 1023.230375][T12684] netdevsim netdevsim744 eni744np1: renamed from eth1
[ 1025.044896][T12729] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.045908][T12729] Could not find netns with fd: 2000
[ 1025.046658][T12729] Cannot link a netdevsim to itself
[ 1025.047481][T12729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).