[ 1038.652515][T12588] netdevsim netdevsim437 eni437np1: renamed from eth0
[ 1038.770218][T12587] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1040.714302][T12580] Could not find device with ifindex 2000 in netnsfd 11
[ 1040.715395][T12580] Could not find netns with fd: 2000
[ 1040.716160][T12580] Cannot link a netdevsim to itself
[ 1040.717001][T12580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).