[ 1465.008800][T12612] netdevsim netdevsim578 eni578np1: renamed from eth1
[ 1465.127143][T12614] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1468.892883][T12606] Could not find device with ifindex 2000 in netnsfd 11
[ 1468.894131][T12606] Could not find netns with fd: 2000
[ 1468.895196][T12606] Cannot link a netdevsim to itself
[ 1468.896729][T12606] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).