[  769.947268][T14747] netdevsim netdevsim309 eni309np1: renamed from eth0
[  769.973385][T14749] netdevsim netdevsim679 eni679np1: renamed from eth1
[  770.547979][T14735] Could not find device with ifindex 2000 in netnsfd 11
[  770.548511][T14735] Could not find netns with fd: 2000
[  770.548849][T14735] Cannot link a netdevsim to itself
[  770.549245][T14735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).