[ 1242.587631][T12787] netdevsim netdevsim330 eni330np1: renamed from eth0
[ 1242.693602][T12784] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1245.329440][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.331070][T12775] Could not find netns with fd: 2000
[ 1245.332225][T12775] Cannot link a netdevsim to itself
[ 1245.333812][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).