[ 1029.690658][T12585] netdevsim netdevsim691 eni691np1: renamed from eth1
[ 1029.798800][T12586] netdevsim netdevsim405 eni405np1: renamed from eth0
[ 1031.749923][T12578] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.750922][T12578] Could not find netns with fd: 2000
[ 1031.751656][T12578] Cannot link a netdevsim to itself
[ 1031.752461][T12578] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).