[  780.801401][T14579] netdevsim netdevsim347 eni347np1: renamed from eth0
[  780.818253][T14581] netdevsim netdevsim606 eni606np1: renamed from eth1
[  781.449571][T14567] Could not find device with ifindex 2000 in netnsfd 11
[  781.450687][T14567] Could not find netns with fd: 2000
[  781.451181][T14567] Cannot link a netdevsim to itself
[  781.451616][T14567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).