[  796.846052][T14752] netdevsim netdevsim294 eni294np1: renamed from eth0
[  796.873274][T14754] netdevsim netdevsim685 eni685np1: renamed from eth1
[  797.517153][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  797.517959][T14740] Could not find netns with fd: 2000
[  797.518586][T14740] Cannot link a netdevsim to itself
[  797.519335][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).