[ 1006.345069][T12586] netdevsim netdevsim688 eni688np1: renamed from eth1
[ 1006.447265][T12635] netdevsim netdevsim455 eni455np1: renamed from eth0
[ 1008.267621][T12630] Could not find device with ifindex 2000 in netnsfd 11
[ 1008.268599][T12630] Could not find netns with fd: 2000
[ 1008.269229][T12630] Cannot link a netdevsim to itself
[ 1008.269975][T12630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).