[  797.166282][T14583] netdevsim netdevsim461 eni461np1: renamed from eth0
[  797.185497][T14585] netdevsim netdevsim600 eni600np1: renamed from eth1
[  797.862945][T14571] Could not find device with ifindex 2000 in netnsfd 11
[  797.863558][T14571] Could not find netns with fd: 2000
[  797.864070][T14571] Cannot link a netdevsim to itself
[  797.865069][T14571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).