[  605.182471][ T9794] netdevsim netdevsim508 eni508np1: renamed from eth0
[  605.184412][ T9793] netdevsim netdevsim694 eni694np1: renamed from eth1
[  605.746313][ T9780] Could not find device with ifindex 2000 in netnsfd 11
[  605.746841][ T9780] Could not find netns with fd: 2000
[  605.747334][ T9780] Cannot link a netdevsim to itself
[  605.747839][ T9780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).