[ 1317.028847][T12852] netdevsim netdevsim411 eni411np1: renamed from eth0
[ 1317.094127][T12853] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1319.754844][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1319.757271][T12839] Could not find netns with fd: 2000
[ 1319.758272][T12839] Cannot link a netdevsim to itself
[ 1319.759791][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).