[ 1028.122825][T12471] netdevsim netdevsim517 eni517np1: renamed from eth1
[ 1028.244740][T12474] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1030.067172][T12466] Could not find device with ifindex 2000 in netnsfd 11
[ 1030.068184][T12466] Could not find netns with fd: 2000
[ 1030.068983][T12466] Cannot link a netdevsim to itself
[ 1030.075851][T12466] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).