[  757.428854][T14435] netdevsim netdevsim310 eni310np1: renamed from eth0
[  757.434511][T14437] netdevsim netdevsim551 eni551np1: renamed from eth1
[  758.007895][T14423] Could not find device with ifindex 2000 in netnsfd 11
[  758.008502][T14423] Could not find netns with fd: 2000
[  758.008993][T14423] Cannot link a netdevsim to itself
[  758.009514][T14423] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).