deleting the link aggregation aggr0 fails

Hi!

Solaris 11.3

how do I delete the link aggregation in my control domain?

I want to get rid of aggr0.

here is a quick overview.

[2019-12-04 19:49:07] root@ls-sol-h03:~ # dladm show-link

LINK                CLASS     MTU    STATE    OVER

aggr0               aggr      1500   up       net1

net0                phys      1500   down     --

net1                phys      1500   up       --

net2                phys      1500   down     --

net3                phys      1500   down     --

net4                phys      1500   up       --

sp-phys0            phys      1500   up       --

[2019-12-04 19:41:10] root@ls-sol-h03:~ # dladm delete-aggr aggr0

dladm: delete operation failed: link busy

[2019-12-04 20:05:20] root@ls-sol-h03:~ # ipadm delete-ip net1

ipadm: cannot delete interface net1: No such interface

[2019-12-04 19:58:19] root@ls-sol-h03:~ # dladm show-aggr -x

LINK       PORT           SPEED DUPLEX   STATE     ADDRESS            PORTSTATE