[  797.447277][T14749] netdevsim netdevsim273 eni273np1: renamed from eth0
[  797.459582][T14751] netdevsim netdevsim763 eni763np1: renamed from eth1
[  798.085095][T14737] Could not find device with ifindex 2000 in netnsfd 11
[  798.085651][T14737] Could not find netns with fd: 2000
[  798.086038][T14737] Cannot link a netdevsim to itself
[  798.086458][T14737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).