[  852.728998][T14642] netdevsim netdevsim501 eni501np1: renamed from eth0
[  852.753072][T14644] netdevsim netdevsim713 eni713np1: renamed from eth1
[  853.350203][T14630] Could not find device with ifindex 2000 in netnsfd 11
[  853.351114][T14630] Could not find netns with fd: 2000
[  853.351549][T14630] Cannot link a netdevsim to itself
[  853.352020][T14630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).