[  817.470832][T14775] netdevsim netdevsim340 eni340np1: renamed from eth0
[  817.483316][T14777] netdevsim netdevsim532 eni532np1: renamed from eth1
[  818.127554][T14763] Could not find device with ifindex 2000 in netnsfd 11
[  818.128381][T14763] Could not find netns with fd: 2000
[  818.128790][T14763] Cannot link a netdevsim to itself
[  818.129239][T14763] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).