diff --git a/migration/PPPOE-HA.md b/migration/PPPOE-HA.md
index bf88756..08e02d6 100644
--- a/migration/PPPOE-HA.md
+++ b/migration/PPPOE-HA.md
@@ -224,7 +224,7 @@ HE updates from vyos001: 0
 HE updates from vyos002: 0
 ```
 
-Full log: `migration/drill-evidence/wan-drill-2026-09-06-ipv6.log`.
+Full log: `migration/drill-evidence/wan-drill-2026-09-06-ipv6.txt`.
 
 **Zero HE API calls across a full takeover and failback.** This is the invariant
 the design rests on and it now has evidence: the 10 gig lease follows the cloned
diff --git a/migration/drill-evidence/wan-drill-2026-09-06-ipv6.txt b/migration/drill-evidence/wan-drill-2026-09-06-ipv6.txt
new file mode 100644
index 0000000..6b4912e
--- /dev/null
+++ b/migration/drill-evidence/wan-drill-2026-09-06-ipv6.txt
@@ -0,0 +1,38 @@
+LOG=/tmp/claude-1000/-home-michal-developer-michalzxc-claude-lab/d66e2cbb-c178-46d7-a628-0ecb17b48a09/scratchpad/wan-drill-150954.log
+15:09:54 === pre-flight ===
+15:09:54 holder now   : 10.0.1.252
+15:09:54 10.0.1.252 WAN      : bond0.53=87.192.101.48 pppoe0=90.251.142.103 
+15:09:55 10.0.1.253 WAN      : 
+15:09:55 internet     : UP via 10.0.1.252
+15:09:56 10.0.1.252 tun0 src : 87.192.101.48
+15:09:56 10.0.1.253 tun0 src : 87.192.101.48
+15:09:56 IPv6         : UP via 10.0.1.252
+15:09:56 === arming auto-abort on 10.0.1.253 ===
+  watchdog armed (pid 1014868): stand down after 150s holding the VIP with no WAN
+15:09:56 === DRILL: force-faulting 10.0.1.252 ===
+15:10:03   t+7s holder=10.0.1.252  vyos002_wan=[]  v6=down
+15:10:09   t+13s holder=10.0.1.252  vyos002_wan=[]  v6=down
+15:10:15   t+19s holder=10.0.1.253  vyos002_wan=[]  v6=down
+15:10:21   t+25s holder=10.0.1.253  vyos002_wan=[]  v6=down
+15:10:33   t+37s holder=10.0.1.253  vyos002_wan=[bond0.53=87.192.101.48 ]  v6=up
+15:10:33 *** TAKEOVER OK: 10.0.1.253 held the VIP and reached the internet in 37s ***
+15:10:33 *** IPv6 followed in 37s (v4 37s, gap 0s) ***
+15:10:33 === failing back to 10.0.1.252 ===
+15:10:46   t+13s holder=10.0.1.253  vyos001_wan=[]  v6=down
+15:10:53   t+20s holder=10.0.1.253  vyos001_wan=[]  v6=down
+15:10:59   t+26s holder=10.0.1.252  vyos001_wan=[]  v6=down
+15:11:04   t+31s holder=10.0.1.252  vyos001_wan=[bond0.53=87.192.101.48 ]  v6=down
+15:11:11   t+38s holder=10.0.1.252  vyos001_wan=[bond0.53=87.192.101.48 ]  v6=down
+15:11:17   t+44s holder=10.0.1.252  vyos001_wan=[bond0.53=87.192.101.48 ]  v6=up
+15:11:17 *** FAILBACK OK in 32s ***
+15:11:17 *** IPv6 back in 44s ***
+15:11:17 === IPv6 invariants ===
+15:11:17 tun0 src     : 87.192.101.48 -> 87.192.101.48
+15:11:17   OK: tunnel source unchanged across the drill
+15:11:18 HE updates from 10.0.1.252 since 2026-09-06 15:09:54: 0
+15:11:18 HE updates from 10.0.1.253 since 2026-09-06 15:09:54: 0
+15:11:18 --- cleanup (always runs) ---
+15:11:39 final holder : 10.0.1.252
+15:11:40 final WAN    : 10.0.1.252 [bond0.53=87.192.101.48 pppoe0=90.251.152.236 ]  10.0.1.253 []
+15:11:40 final internet: UP via 10.0.1.252
+15:11:40 log: /tmp/claude-1000/-home-michal-developer-michalzxc-claude-lab/d66e2cbb-c178-46d7-a628-0ecb17b48a09/scratchpad/wan-drill-150954.log