[ 1237.213561][T12780] netdevsim netdevsim675 eni675np1: renamed from eth1
[ 1237.328972][T12781] netdevsim netdevsim405 eni405np1: renamed from eth0
[ 1239.987511][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.988711][T12773] Could not find netns with fd: 2000
[ 1239.989625][T12773] Cannot link a netdevsim to itself
[ 1239.990750][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).