[  818.720440][T15786] netdevsim netdevsim373 eni373np1: renamed from eth0
[  818.737459][T15787] netdevsim netdevsim741 eni741np1: renamed from eth1
[  819.350499][T15775] Could not find device with ifindex 2000 in netnsfd 11
[  819.351157][T15775] Could not find netns with fd: 2000
[  819.351636][T15775] Cannot link a netdevsim to itself
[  819.352161][T15775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).