=== load df5559-fixed chain + real iic.ko ===
=== /dev/iic* before cycle ===
crw-------  1 root  wheel   33, 0x00000000 Oct  9 00:22 /dev/iic0
=== ivar round trip (write returns 0 but value DROPPED) ===
dfctl ivar: kernel rc=0 v0=0x0 v1=0x0 v2=0x0
=== cycle 1 (detach + re-attach of iicbus0) ===
dfctl cycle: kernel rc=0 v0=0x0 v1=0x0 v2=0x0
=== /dev/iic* after cycle: DUPLICATE nodes on one bus ===
crw-------  1 root  wheel   33, 0x00000000 Oct  9 00:22 /dev/iic0
crw-------  1 root  wheel   33, 0x00000001 Oct  9 00:22 /dev/iic1
=== cycle 2 more ===
dfctl cycle: kernel rc=0 v0=0x0 v1=0x0 v2=0x0
crw-------  1 root  wheel   33, 0x00000000 Oct  9 00:22 /dev/iic0
crw-------  1 root  wheel   33, 0x00000001 Oct  9 00:22 /dev/iic1
crw-------  1 root  wheel   33, 0x00000002 Oct  9 00:22 /dev/iic2
crw-------  1 root  wheel   33, 0x00000003 Oct  9 00:22 /dev/iic3
dfctl stat: kernel rc=0 v0=0x0 v1=0x0 v2=0x0
=== teardown ===
RUN-B-DONE