[ 1040.828959][T12580] netdevsim netdevsim416 eni416np1: renamed from eth0
[ 1040.929553][T12579] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1042.624518][T12725] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.625429][T12725] Could not find netns with fd: 2000
[ 1042.626044][T12725] Cannot link a netdevsim to itself
[ 1042.626928][T12725] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).