[ 1223.839151][T12773] netdevsim netdevsim306 eni306np1: renamed from eth0
[ 1223.916857][T12769] netdevsim netdevsim742 eni742np1: renamed from eth1
[ 1226.550239][T12765] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.551502][T12765] Could not find netns with fd: 2000
[ 1226.552400][T12765] Cannot link a netdevsim to itself
[ 1226.562973][T12765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).