[ 1273.402321][T12850] netdevsim netdevsim671 eni671np1: renamed from eth1
[ 1273.428327][T12854] netdevsim netdevsim385 eni385np1: renamed from eth0
[ 1275.926113][T12841] Could not find device with ifindex 2000 in netnsfd 11
[ 1275.928619][T12841] Could not find netns with fd: 2000
[ 1275.930004][T12841] Cannot link a netdevsim to itself
[ 1275.931808][T12841] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).