[  455.092081] netdevsim netdevsim346 eni346np1: renamed from eth0
[  455.092604] netdevsim netdevsim567 eni567np1: renamed from eth1
[  455.174912] Could not find device with ifindex 2000 in netnsfd 11
[  455.175014] Could not find netns with fd: 2000
[  455.175068] Cannot link a netdevsim to itself
[  455.175119] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).