[  810.922260][T16088] netdevsim netdevsim497 eni497np1: renamed from eth0
[  810.936020][T16086] netdevsim netdevsim617 eni617np1: renamed from eth1
[  811.534647][T16075] Could not find device with ifindex 2000 in netnsfd 11
[  811.535807][T16075] Could not find netns with fd: 2000
[  811.536547][T16075] Cannot link a netdevsim to itself
[  811.537175][T16075] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).