[ 1006.683626][T12127] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1006.793484][T12128] netdevsim netdevsim427 eni427np1: renamed from eth0
[ 1008.503184][T12551] Could not find device with ifindex 2000 in netnsfd 11
[ 1008.504724][T12551] Could not find netns with fd: 2000
[ 1008.505796][T12551] Cannot link a netdevsim to itself
[ 1008.507089][T12551] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).