[  488.934296] netdevsim netdevsim461 eni461np1: renamed from eth0
[  488.934924] netdevsim netdevsim547 eni547np1: renamed from eth1
[  489.044586] Could not find device with ifindex 2000 in netnsfd 11
[  489.044693] Could not find netns with fd: 2000
[  489.044750] Cannot link a netdevsim to itself
[  489.044816] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).