[  744.369679][T14448] netdevsim netdevsim431 eni431np1: renamed from eth0
[  744.383065][T14450] netdevsim netdevsim536 eni536np1: renamed from eth1
[  744.938991][T14436] Could not find device with ifindex 2000 in netnsfd 11
[  744.939754][T14436] Could not find netns with fd: 2000
[  744.940343][T14436] Cannot link a netdevsim to itself
[  744.940892][T14436] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).