[  812.451908][T14737] netdevsim netdevsim270 eni270np1: renamed from eth0
[  812.467299][T14739] netdevsim netdevsim695 eni695np1: renamed from eth1
[  813.159357][T14725] Could not find device with ifindex 2000 in netnsfd 11
[  813.160329][T14725] Could not find netns with fd: 2000
[  813.160747][T14725] Cannot link a netdevsim to itself
[  813.161192][T14725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).