[ 1236.395019][T11141] netdevsim netdevsim487 eni487np1: renamed from eth0
[ 1236.483366][T11139] netdevsim netdevsim622 eni622np1: renamed from eth1
[ 1239.820166][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.820879][T11133] Could not find netns with fd: 2000
[ 1239.821442][T11133] Cannot link a netdevsim to itself
[ 1239.822087][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).