[ 1039.121705][T12589] netdevsim netdevsim267 eni267np1: renamed from eth0
[ 1039.134818][T12658] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1041.120399][T12735] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.121384][T12735] Could not find netns with fd: 2000
[ 1041.122138][T12735] Cannot link a netdevsim to itself
[ 1041.122972][T12735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).