[  812.293108][T14597] netdevsim netdevsim307 eni307np1: renamed from eth0
[  812.315455][T14599] netdevsim netdevsim604 eni604np1: renamed from eth1
[  812.942123][T14585] Could not find device with ifindex 2000 in netnsfd 11
[  812.943032][T14585] Could not find netns with fd: 2000
[  812.943464][T14585] Cannot link a netdevsim to itself
[  812.943916][T14585] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).