[ 1184.748100][T12777] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1184.832379][T12780] netdevsim netdevsim483 eni483np1: renamed from eth0
[ 1187.387009][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1187.388100][T12772] Could not find netns with fd: 2000
[ 1187.388899][T12772] Cannot link a netdevsim to itself
[ 1187.389960][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).