r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000640), r0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_UNLABEL_C_STATICREMOVE(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)={0x50, r1, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV6ADDR={0x14, 0x2, @mcast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'veth0\x00'}, @NLBL_UNLABEL_A_IPV6MASK={0x14, 0x3, @dev}]}, 0x50}}, 0x0)