[ 1247.025515][T12796] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1247.155590][T12797] netdevsim netdevsim743 eni743np1: renamed from eth1
[ 1249.782727][T12783] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.783942][T12783] Could not find netns with fd: 2000
[ 1249.784832][T12783] Cannot link a netdevsim to itself
[ 1249.786095][T12783] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).