[ 1020.733065][T12139] netdevsim netdevsim406 eni406np1: renamed from eth0
[ 1020.828772][T12138] netdevsim netdevsim761 eni761np1: renamed from eth1
[ 1022.656546][T12565] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.657498][T12565] Could not find netns with fd: 2000
[ 1022.658174][T12565] Cannot link a netdevsim to itself
[ 1022.658920][T12565] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).