[ 1232.421038][T12510] netdevsim netdevsim507 eni507np1: renamed from eth0
[ 1232.547797][T12507] netdevsim netdevsim762 eni762np1: renamed from eth1
[ 1235.143955][T12496] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.145360][T12496] Could not find netns with fd: 2000
[ 1235.146362][T12496] Cannot link a netdevsim to itself
[ 1235.147727][T12496] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).