[ 1275.389210][T12845] netdevsim netdevsim464 eni464np1: renamed from eth0
[ 1275.464223][T12841] netdevsim netdevsim541 eni541np1: renamed from eth1
[ 1278.016124][T12832] Could not find device with ifindex 2000 in netnsfd 11
[ 1278.018915][T12832] Could not find netns with fd: 2000
[ 1278.020386][T12832] Cannot link a netdevsim to itself
[ 1278.022233][T12832] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).