[  456.703075] netdevsim netdevsim294 eni294np1: renamed from eth0
[  456.703640] netdevsim netdevsim679 eni679np1: renamed from eth1
[  456.804366] Could not find device with ifindex 2000 in netnsfd 11
[  456.804488] Could not find netns with fd: 2000
[  456.804534] Cannot link a netdevsim to itself
[  456.804584] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).