[ 1289.653228][T12914] netdevsim netdevsim748 eni748np1: renamed from eth1
[ 1289.743138][T12917] netdevsim netdevsim335 eni335np1: renamed from eth0
[ 1292.416169][T12905] Could not find device with ifindex 2000 in netnsfd 11
[ 1292.418770][T12905] Could not find netns with fd: 2000
[ 1292.420279][T12905] Cannot link a netdevsim to itself
[ 1292.422493][T12905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).