[ 1297.067909][T12845] netdevsim netdevsim648 eni648np1: renamed from eth1
[ 1297.090038][T12848] netdevsim netdevsim373 eni373np1: renamed from eth0
[ 1300.397683][T12836] Could not find device with ifindex 2000 in netnsfd 11
[ 1300.399959][T12836] Could not find netns with fd: 2000
[ 1300.400992][T12836] Cannot link a netdevsim to itself
[ 1300.402164][T12836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).