[  867.059317][T15798] netdevsim netdevsim511 eni511np1: renamed from eth0
[  867.071791][T15796] netdevsim netdevsim675 eni675np1: renamed from eth1
[  867.689407][T15785] Could not find device with ifindex 2000 in netnsfd 11
[  867.690091][T15785] Could not find netns with fd: 2000
[  867.690995][T15785] Cannot link a netdevsim to itself
[  867.691635][T15785] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).