[  764.431832][T14636] netdevsim netdevsim470 eni470np1: renamed from eth0
[  764.451495][T14638] netdevsim netdevsim535 eni535np1: renamed from eth1
[  765.037898][T14624] Could not find device with ifindex 2000 in netnsfd 11
[  765.038545][T14624] Could not find netns with fd: 2000
[  765.039022][T14624] Cannot link a netdevsim to itself
[  765.039568][T14624] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).