[ 1037.674972][T12586] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1037.793265][T12588] netdevsim netdevsim414 eni414np1: renamed from eth0
[ 1039.606560][T12580] Could not find device with ifindex 2000 in netnsfd 11
[ 1039.607544][T12580] Could not find netns with fd: 2000
[ 1039.608193][T12580] Cannot link a netdevsim to itself
[ 1039.608961][T12580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).