[  455.105816] netdevsim netdevsim423 eni423np1: renamed from eth0
[  455.106480] netdevsim netdevsim708 eni708np1: renamed from eth1
[  455.196660] Could not find device with ifindex 2000 in netnsfd 11
[  455.196782] Could not find netns with fd: 2000
[  455.196842] Cannot link a netdevsim to itself
[  455.196905] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).
[  455.197014] Netdevsim 10:252 is already linked