[  698.796488][T13058] netdevsim netdevsim315 eni315np1: renamed from eth0
[  698.818612][T13060] netdevsim netdevsim532 eni532np1: renamed from eth1
[  699.432429][T13046] Could not find device with ifindex 2000 in netnsfd 11
[  699.433282][T13046] Could not find netns with fd: 2000
[  699.433661][T13046] Cannot link a netdevsim to itself
[  699.434223][T13046] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).