[  796.655629][T14600] netdevsim netdevsim300 eni300np1: renamed from eth0
[  796.661574][T14601] netdevsim netdevsim544 eni544np1: renamed from eth1
[  797.226220][T14587] Could not find device with ifindex 2000 in netnsfd 11
[  797.226782][T14587] Could not find netns with fd: 2000
[  797.227258][T14587] Cannot link a netdevsim to itself
[  797.227868][T14587] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).