[  810.767994][T15834] netdevsim netdevsim342 eni342np1: renamed from eth0
[  810.781426][T15833] netdevsim netdevsim711 eni711np1: renamed from eth1
[  811.408546][T15820] Could not find device with ifindex 2000 in netnsfd 11
[  811.409246][T15820] Could not find netns with fd: 2000
[  811.409859][T15820] Cannot link a netdevsim to itself
[  811.410509][T15820] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).