[  811.089707][T15868] netdevsim netdevsim335 eni335np1: renamed from eth0
[  811.101482][T15867] netdevsim netdevsim675 eni675np1: renamed from eth1
[  811.707491][T15854] Could not find device with ifindex 2000 in netnsfd 11
[  811.708385][T15854] Could not find netns with fd: 2000
[  811.708959][T15854] Cannot link a netdevsim to itself
[  811.709594][T15854] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).