[ 1021.396768][T12077] netdevsim netdevsim704 eni704np1: renamed from eth1
[ 1021.500384][T12079] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1023.376565][T12566] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.378024][T12566] Could not find netns with fd: 2000
[ 1023.378767][T12566] Cannot link a netdevsim to itself
[ 1023.379717][T12566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).