[ 1443.014194][T12639] netdevsim netdevsim487 eni487np1: renamed from eth0
[ 1443.125901][T12640] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1446.771131][T12633] Could not find device with ifindex 2000 in netnsfd 11
[ 1446.771863][T12633] Could not find netns with fd: 2000
[ 1446.772666][T12633] Cannot link a netdevsim to itself
[ 1446.773378][T12633] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).