[ 1226.405710][T12780] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1226.417324][T12781] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1228.883288][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.885031][T12772] Could not find netns with fd: 2000
[ 1228.886420][T12772] Cannot link a netdevsim to itself
[ 1228.888001][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).