[  821.782339][T15762] netdevsim netdevsim389 eni389np1: renamed from eth0
[  821.800910][T15765] netdevsim netdevsim712 eni712np1: renamed from eth1
[  822.431703][T15750] Could not find device with ifindex 2000 in netnsfd 11
[  822.432469][T15750] Could not find netns with fd: 2000
[  822.433590][T15750] Cannot link a netdevsim to itself
[  822.434273][T15750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).