[ 1038.788646][T12582] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1038.886488][T12579] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1040.699099][T12574] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.700094][T12574] Could not find netns with fd: 2000
[ 1040.700785][T12574] Cannot link a netdevsim to itself
[ 1040.701593][T12574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).