[ 1041.336459][T12581] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1041.456220][T12583] netdevsim netdevsim504 eni504np1: renamed from eth0
[ 1043.356959][T12575] Could not find device with ifindex 2000 in netnsfd 11
[ 1043.357866][T12575] Could not find netns with fd: 2000
[ 1043.358526][T12575] Cannot link a netdevsim to itself
[ 1043.359267][T12575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).