[  810.186259][T15641] netdevsim netdevsim304 eni304np1: renamed from eth0
[  810.213102][T15642] netdevsim netdevsim561 eni561np1: renamed from eth1
[  810.803472][T15627] Could not find device with ifindex 2000 in netnsfd 11
[  810.804746][T15627] Could not find netns with fd: 2000
[  810.805105][T15627] Cannot link a netdevsim to itself
[  810.805560][T15627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).