[ 1284.677602][T12848] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1284.810188][T12850] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1287.468819][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1287.482299][T12837] Could not find netns with fd: 2000
[ 1287.483830][T12837] Cannot link a netdevsim to itself
[ 1287.484930][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).