[  786.460496][T14554] netdevsim netdevsim563 eni563np1: renamed from eth1
[  786.464915][T14552] netdevsim netdevsim460 eni460np1: renamed from eth0
[  787.150292][T14540] Could not find device with ifindex 2000 in netnsfd 11
[  787.151259][T14540] Could not find netns with fd: 2000
[  787.151818][T14540] Cannot link a netdevsim to itself
[  787.152476][T14540] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).