[  454.937060] netdevsim netdevsim334 eni334np1: renamed from eth0
[  454.937969] netdevsim netdevsim703 eni703np1: renamed from eth1
[  455.027134] Could not find device with ifindex 2000 in netnsfd 11
[  455.027237] Could not find netns with fd: 2000
[  455.027281] Cannot link a netdevsim to itself
[  455.027332] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).