[ 1294.359614][T12889] netdevsim netdevsim685 eni685np1: renamed from eth1
[ 1294.399251][T12890] netdevsim netdevsim339 eni339np1: renamed from eth0
[ 1297.004899][T12880] Could not find device with ifindex 2000 in netnsfd 11
[ 1297.006001][T12880] Could not find netns with fd: 2000
[ 1297.006855][T12880] Cannot link a netdevsim to itself
[ 1297.008013][T12880] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).