[ 1244.442491][T12785] netdevsim netdevsim308 eni308np1: renamed from eth0
[ 1244.544615][T12781] netdevsim netdevsim556 eni556np1: renamed from eth1
[ 1247.061973][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.073036][T12772] Could not find netns with fd: 2000
[ 1247.074280][T12772] Cannot link a netdevsim to itself
[ 1247.075615][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).