[  764.336091][T14767] netdevsim netdevsim274 eni274np1: renamed from eth0
[  764.366837][T14770] netdevsim netdevsim767 eni767np1: renamed from eth1
[  764.951151][T14755] Could not find device with ifindex 2000 in netnsfd 11
[  764.951695][T14755] Could not find netns with fd: 2000
[  764.952090][T14755] Cannot link a netdevsim to itself
[  764.952544][T14755] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).