[  700.136873][T13061] netdevsim netdevsim301 eni301np1: renamed from eth0
[  700.162458][T13063] netdevsim netdevsim712 eni712np1: renamed from eth1
[  700.969958][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  700.971327][T13048] Could not find netns with fd: 2000
[  700.972110][T13048] Cannot link a netdevsim to itself
[  700.975024][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).