[  841.175509][T15818] netdevsim netdevsim371 eni371np1: renamed from eth0
[  841.198360][T15819] netdevsim netdevsim538 eni538np1: renamed from eth1
[  841.806533][T15804] Could not find device with ifindex 2000 in netnsfd 11
[  841.807717][T15804] Could not find netns with fd: 2000
[  841.808380][T15804] Cannot link a netdevsim to itself
[  841.809167][T15804] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).