[  480.173509] netdevsim netdevsim760 eni760np1: renamed from eth1
[  480.273979] netdevsim netdevsim464 eni464np1: renamed from eth0
[  480.629018] Could not find device with ifindex 2000 in netnsfd 11
[  480.629161] Could not find netns with fd: 2000
[  480.629236] Cannot link a netdevsim to itself
[  480.629320] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).