[ 1029.317281][T12759] netdevsim netdevsim750 eni750np1: renamed from eth1
[ 1029.424445][T12761] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1031.367094][T12753] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.368244][T12753] Could not find netns with fd: 2000
[ 1031.368883][T12753] Cannot link a netdevsim to itself
[ 1031.369733][T12753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).