[ 1212.704129][T12777] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1212.807088][T12778] netdevsim netdevsim287 eni287np1: renamed from eth0
[ 1215.336375][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1215.338131][T12771] Could not find netns with fd: 2000
[ 1215.339996][T12771] Cannot link a netdevsim to itself
[ 1215.341717][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).