[  750.438796][T14582] netdevsim netdevsim414 eni414np1: renamed from eth0
[  750.457702][T14584] netdevsim netdevsim607 eni607np1: renamed from eth1
[  750.984826][T14570] Could not find device with ifindex 2000 in netnsfd 11
[  750.985385][T14570] Could not find netns with fd: 2000
[  750.985845][T14570] Cannot link a netdevsim to itself
[  750.986323][T14570] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).