[ 1034.461913][T12764] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1034.561126][T12763] netdevsim netdevsim331 eni331np1: renamed from eth0
[ 1036.396668][T12755] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.398107][T12755] Could not find netns with fd: 2000
[ 1036.399249][T12755] Cannot link a netdevsim to itself
[ 1036.400612][T12755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).