[ 1298.742639][T11131] netdevsim netdevsim540 eni540np1: renamed from eth1
[ 1298.752035][T11133] netdevsim netdevsim431 eni431np1: renamed from eth0
[ 1302.415699][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.417017][T11125] Could not find netns with fd: 2000
[ 1302.418069][T11125] Cannot link a netdevsim to itself
[ 1302.419275][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).