[ 1037.623737][T12584] netdevsim netdevsim311 eni311np1: renamed from eth0
[ 1037.742621][T12583] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1039.697127][T12576] Could not find device with ifindex 2000 in netnsfd 11
[ 1039.698079][T12576] Could not find netns with fd: 2000
[ 1039.698795][T12576] Cannot link a netdevsim to itself
[ 1039.699582][T12576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).