Thanks for sharing the information. Please try below steps :
Step 1. Remove existing port bindings and reboot the host.
Step 2. Edit iSCSI port group and set preferred vmnic to active status and move the second NIC to unused.
Step 3. Edit iSCSI 2 port group and set preferred vmnic to active status and move the other NIC to unused.
Step 4. Add vmk1 and vmk2 under iScsi initiator network configuration port bindings.
I hope above steps will help in resolving the issue. If you run into the same error please let me know.