[ 1009.777557][T12134] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1009.892601][T12067] netdevsim netdevsim285 eni285np1: renamed from eth0
[ 1011.658061][T12456] Could not find device with ifindex 2000 in netnsfd 11
[ 1011.659128][T12456] Could not find netns with fd: 2000
[ 1011.659909][T12456] Cannot link a netdevsim to itself
[ 1011.660781][T12456] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).