[  820.296913][T15659] netdevsim netdevsim422 eni422np1: renamed from eth0
[  820.318548][T15658] netdevsim netdevsim578 eni578np1: renamed from eth1
[  820.935311][T15646] Could not find device with ifindex 2000 in netnsfd 11
[  820.936020][T15646] Could not find netns with fd: 2000
[  820.936875][T15646] Cannot link a netdevsim to itself
[  820.937407][T15646] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).